diff --git a/plugins/Kaleidoscope-Colormap/src/kaleidoscope/plugin/Colormap.h b/plugins/Kaleidoscope-Colormap/src/kaleidoscope/plugin/Colormap.h
index 1fcf480b9f..3a34aed024 100644
--- a/plugins/Kaleidoscope-Colormap/src/kaleidoscope/plugin/Colormap.h
+++ b/plugins/Kaleidoscope-Colormap/src/kaleidoscope/plugin/Colormap.h
@@ -32,8 +32,8 @@ class ColormapEffect : public Plugin,
                        public LEDModeInterface,
                        public AccessTransientLEDMode {
  public:
-  ColormapEffect() { ledModeName = "Colormap"; }
-  explicit ColormapEffect(char *customName) { ledModeName = customName; }
+  ColormapEffect() { ledModeName = F("Colormap"); }
+  explicit ColormapEffect(__FlashStringHelper *customName) { ledModeName = customName; }
 
   void max_layers(uint8_t max_);
 
diff --git a/plugins/Kaleidoscope-FingerPainter/src/kaleidoscope/plugin/FingerPainter.h b/plugins/Kaleidoscope-FingerPainter/src/kaleidoscope/plugin/FingerPainter.h
index d490277c27..c80096f788 100644
--- a/plugins/Kaleidoscope-FingerPainter/src/kaleidoscope/plugin/FingerPainter.h
+++ b/plugins/Kaleidoscope-FingerPainter/src/kaleidoscope/plugin/FingerPainter.h
@@ -33,8 +33,8 @@ namespace plugin {
 //
 class FingerPainter : public LEDMode {
  public:
-  FingerPainter() { ledModeName = "FingerPainter"; }
-  explicit FingerPainter(char *customName) { ledModeName = customName; }
+  FingerPainter() { ledModeName = F("FingerPainter"); }
+  explicit FingerPainter(__FlashStringHelper *customName) { ledModeName = customName; }
 
   void toggle();
 
diff --git a/plugins/Kaleidoscope-FocusSerial/src/kaleidoscope/plugin/FocusSerial.cpp b/plugins/Kaleidoscope-FocusSerial/src/kaleidoscope/plugin/FocusSerial.cpp
index b0cc67f90f..76113e5d93 100644
--- a/plugins/Kaleidoscope-FocusSerial/src/kaleidoscope/plugin/FocusSerial.cpp
+++ b/plugins/Kaleidoscope-FocusSerial/src/kaleidoscope/plugin/FocusSerial.cpp
@@ -77,7 +77,7 @@ EventHandlerResult FocusSerial::afterEachCycle() {
   return EventHandlerResult::OK;
 }
 
-void ledModeHandler_(const char *name) {
+void ledModeHandler_(const __FlashStringHelper *name) {
   Runtime.serialPort().println(name);
 }
 
diff --git a/plugins/Kaleidoscope-FocusSerial/src/kaleidoscope/plugin/FocusSerial.h b/plugins/Kaleidoscope-FocusSerial/src/kaleidoscope/plugin/FocusSerial.h
index 093a99bb12..179c06675c 100644
--- a/plugins/Kaleidoscope-FocusSerial/src/kaleidoscope/plugin/FocusSerial.h
+++ b/plugins/Kaleidoscope-FocusSerial/src/kaleidoscope/plugin/FocusSerial.h
@@ -17,7 +17,7 @@
 
 #pragma once
 
-#include <Arduino.h>         // for delayMicroseconds
+#include <Arduino.h>         // for __FlashStringHelper, delayMicroseconds
 #include <HardwareSerial.h>  // for HardwareSerial
 #include <stdint.h>          // for uint8_t, uint16_t
 
diff --git a/plugins/Kaleidoscope-Heatmap/src/kaleidoscope/plugin/Heatmap.h b/plugins/Kaleidoscope-Heatmap/src/kaleidoscope/plugin/Heatmap.h
index f37f7bb6af..e2c976cbae 100644
--- a/plugins/Kaleidoscope-Heatmap/src/kaleidoscope/plugin/Heatmap.h
+++ b/plugins/Kaleidoscope-Heatmap/src/kaleidoscope/plugin/Heatmap.h
@@ -34,8 +34,8 @@ class Heatmap : public Plugin,
                 public LEDModeInterface,
                 public AccessTransientLEDMode {
  public:
-  Heatmap() { ledModeName = "Heatmap"; }
-  explicit Heatmap(char *customName) { ledModeName = customName; }
+  Heatmap() { ledModeName = F("Heatmap"); }
+  explicit Heatmap(__FlashStringHelper *customName) { ledModeName = customName; }
 
   static uint16_t update_delay;
   static const cRGB *heat_colors;
diff --git a/plugins/Kaleidoscope-LED-ActiveLayerColor/src/kaleidoscope/plugin/LED-ActiveLayerColor.h b/plugins/Kaleidoscope-LED-ActiveLayerColor/src/kaleidoscope/plugin/LED-ActiveLayerColor.h
index 7e3d153cca..b5b8869477 100644
--- a/plugins/Kaleidoscope-LED-ActiveLayerColor/src/kaleidoscope/plugin/LED-ActiveLayerColor.h
+++ b/plugins/Kaleidoscope-LED-ActiveLayerColor/src/kaleidoscope/plugin/LED-ActiveLayerColor.h
@@ -31,8 +31,8 @@ class LEDActiveLayerColorEffect : public Plugin,
                                   public LEDModeInterface,
                                   public AccessTransientLEDMode {
  public:
-  LEDActiveLayerColorEffect() { ledModeName = "ActiveLayerColor"; }
-  explicit LEDActiveLayerColorEffect(char *customName) { ledModeName = customName; }
+  LEDActiveLayerColorEffect() { ledModeName = F("ActiveLayerColor"); }
+  explicit LEDActiveLayerColorEffect(__FlashStringHelper *customName) { ledModeName = customName; }
 
   EventHandlerResult onLayerChange();
   void setColormap(const cRGB colormap[]);
diff --git a/plugins/Kaleidoscope-LED-ActiveLayerKeys/src/kaleidoscope/plugin/LED-ActiveLayerKeys.h b/plugins/Kaleidoscope-LED-ActiveLayerKeys/src/kaleidoscope/plugin/LED-ActiveLayerKeys.h
index e94cc5dab5..df47d0a43a 100644
--- a/plugins/Kaleidoscope-LED-ActiveLayerKeys/src/kaleidoscope/plugin/LED-ActiveLayerKeys.h
+++ b/plugins/Kaleidoscope-LED-ActiveLayerKeys/src/kaleidoscope/plugin/LED-ActiveLayerKeys.h
@@ -31,11 +31,10 @@ class LEDActiveLayerKeysEffect : public Plugin,
                                  public LEDModeInterface,
                                  public AccessTransientLEDMode {
  public:
-  LEDActiveLayerKeysEffect() { ledModeName = "ActiveLayerKeys"; }
-  explicit LEDActiveLayerKeysEffect(char *customName) { ledModeName = customName; }
+  LEDActiveLayerKeysEffect() { ledModeName = F("ActiveLayerKeys"); }
+  explicit LEDActiveLayerKeysEffect(__FlashStringHelper *customName) { ledModeName = customName; }
 
   EventHandlerResult onLayerChange();
-
   template<uint8_t _colormap_size>
   void setColormap(cRGB const (&colormap)[_colormap_size]) {
     colormap_      = colormap;
diff --git a/plugins/Kaleidoscope-LED-AlphaSquare/src/kaleidoscope/plugin/LED-AlphaSquare/Effect.h b/plugins/Kaleidoscope-LED-AlphaSquare/src/kaleidoscope/plugin/LED-AlphaSquare/Effect.h
index 087b956889..1aea766aec 100644
--- a/plugins/Kaleidoscope-LED-AlphaSquare/src/kaleidoscope/plugin/LED-AlphaSquare/Effect.h
+++ b/plugins/Kaleidoscope-LED-AlphaSquare/src/kaleidoscope/plugin/LED-AlphaSquare/Effect.h
@@ -34,8 +34,8 @@ class AlphaSquareEffect : public Plugin,
                           public LEDModeInterface,
                           public AccessTransientLEDMode {
  public:
-  AlphaSquareEffect() { ledModeName = "AlphaSquare"; }
-  explicit AlphaSquareEffect(char *customName) { ledModeName = customName; }
+  AlphaSquareEffect() { ledModeName = F("AlphaSquare"); }
+  explicit AlphaSquareEffect(__FlashStringHelper *customName) { ledModeName = customName; }
 
   static uint16_t length;
 
diff --git a/plugins/Kaleidoscope-LED-Stalker/src/kaleidoscope/plugin/LED-Stalker.h b/plugins/Kaleidoscope-LED-Stalker/src/kaleidoscope/plugin/LED-Stalker.h
index 6f81b2ad61..d1827e2ae5 100644
--- a/plugins/Kaleidoscope-LED-Stalker/src/kaleidoscope/plugin/LED-Stalker.h
+++ b/plugins/Kaleidoscope-LED-Stalker/src/kaleidoscope/plugin/LED-Stalker.h
@@ -36,8 +36,8 @@ class StalkerEffect : public Plugin,
                       public LEDModeInterface,
                       public AccessTransientLEDMode {
  public:
-  StalkerEffect() { ledModeName = "Stalker"; }
-  explicit StalkerEffect(char *customName) { ledModeName = customName; }
+  StalkerEffect() { ledModeName = F("Stalker"); }
+  explicit StalkerEffect(__FlashStringHelper *customName) { ledModeName = customName; }
 
   class ColorComputer {
    public:
diff --git a/plugins/Kaleidoscope-LED-Wavepool/src/kaleidoscope/plugin/LED-Wavepool.h b/plugins/Kaleidoscope-LED-Wavepool/src/kaleidoscope/plugin/LED-Wavepool.h
index 69b07fd304..d24629d31d 100644
--- a/plugins/Kaleidoscope-LED-Wavepool/src/kaleidoscope/plugin/LED-Wavepool.h
+++ b/plugins/Kaleidoscope-LED-Wavepool/src/kaleidoscope/plugin/LED-Wavepool.h
@@ -41,8 +41,8 @@ class WavepoolEffect : public Plugin,
                        public LEDModeInterface,
                        public AccessTransientLEDMode {
  public:
-  WavepoolEffect() { ledModeName = "Wavepool"; }
-  explicit WavepoolEffect(char *customName) { ledModeName = customName; }
+  WavepoolEffect() { ledModeName = F("Wavepool"); }
+  explicit WavepoolEffect(__FlashStringHelper *customName) { ledModeName = customName; }
 
   EventHandlerResult onKeyEvent(KeyEvent &event);
 
diff --git a/plugins/Kaleidoscope-LEDEffect-Breathe/src/kaleidoscope/plugin/LEDEffect-Breathe.h b/plugins/Kaleidoscope-LEDEffect-Breathe/src/kaleidoscope/plugin/LEDEffect-Breathe.h
index 1a3a2333bd..cfd9d05c6a 100644
--- a/plugins/Kaleidoscope-LEDEffect-Breathe/src/kaleidoscope/plugin/LEDEffect-Breathe.h
+++ b/plugins/Kaleidoscope-LEDEffect-Breathe/src/kaleidoscope/plugin/LEDEffect-Breathe.h
@@ -27,8 +27,8 @@ namespace plugin {
 class LEDBreatheEffect : public Plugin,
                          public LEDModeInterface {
  public:
-  LEDBreatheEffect() { ledModeName = "Breathe"; }
-  explicit LEDBreatheEffect(char *customName) { ledModeName = customName; }
+  LEDBreatheEffect() { ledModeName = F("Breathe"); }
+  explicit LEDBreatheEffect(__FlashStringHelper *customName) { ledModeName = customName; }
 
   uint8_t hue        = 170;
   uint8_t saturation = 255;
diff --git a/plugins/Kaleidoscope-LEDEffect-Chase/src/kaleidoscope/plugin/LEDEffect-Chase.h b/plugins/Kaleidoscope-LEDEffect-Chase/src/kaleidoscope/plugin/LEDEffect-Chase.h
index 1f4adadb2c..d16366091f 100644
--- a/plugins/Kaleidoscope-LEDEffect-Chase/src/kaleidoscope/plugin/LEDEffect-Chase.h
+++ b/plugins/Kaleidoscope-LEDEffect-Chase/src/kaleidoscope/plugin/LEDEffect-Chase.h
@@ -28,8 +28,8 @@ namespace plugin {
 class LEDChaseEffect : public Plugin,
                        public LEDModeInterface {
  public:
-  LEDChaseEffect() { ledModeName = "Chase"; }
-  explicit LEDChaseEffect(char *customName) { ledModeName = customName; }
+  LEDChaseEffect() { ledModeName = F("Chase"); }
+  explicit LEDChaseEffect(__FlashStringHelper *customName) { ledModeName = customName; }
 
   uint8_t update_delay() {
     return update_delay_;
diff --git a/plugins/Kaleidoscope-LEDEffect-DigitalRain/src/kaleidoscope/plugin/LEDEffect-DigitalRain.h b/plugins/Kaleidoscope-LEDEffect-DigitalRain/src/kaleidoscope/plugin/LEDEffect-DigitalRain.h
index d53ddb8977..0b333b7fc3 100644
--- a/plugins/Kaleidoscope-LEDEffect-DigitalRain/src/kaleidoscope/plugin/LEDEffect-DigitalRain.h
+++ b/plugins/Kaleidoscope-LEDEffect-DigitalRain/src/kaleidoscope/plugin/LEDEffect-DigitalRain.h
@@ -26,8 +26,8 @@ class LEDDigitalRainEffect : public Plugin,
                              public LEDModeInterface,
                              public AccessTransientLEDMode {
  public:
-  LEDDigitalRainEffect() { ledModeName = "DigitalRain"; }
-  explicit LEDDigitalRainEffect(char *customName) { ledModeName = customName; }
+  LEDDigitalRainEffect() { ledModeName = F("DigitalRain"); }
+  explicit LEDDigitalRainEffect(__FlashStringHelper *customName) { ledModeName = customName; }
 
   /**
    * Color channel enum.
diff --git a/plugins/Kaleidoscope-LEDEffect-Rainbow/src/kaleidoscope/plugin/LEDEffect-Rainbow.h b/plugins/Kaleidoscope-LEDEffect-Rainbow/src/kaleidoscope/plugin/LEDEffect-Rainbow.h
index 9ddf453e78..957e339d2c 100644
--- a/plugins/Kaleidoscope-LEDEffect-Rainbow/src/kaleidoscope/plugin/LEDEffect-Rainbow.h
+++ b/plugins/Kaleidoscope-LEDEffect-Rainbow/src/kaleidoscope/plugin/LEDEffect-Rainbow.h
@@ -27,8 +27,8 @@ namespace plugin {
 class LEDRainbowEffect : public Plugin,
                          public LEDModeInterface {
  public:
-  LEDRainbowEffect() { ledModeName = "Rainbow"; }
-  explicit LEDRainbowEffect(char *customName) { ledModeName = customName; }
+  LEDRainbowEffect() { ledModeName = F("Rainbow"); }
+  explicit LEDRainbowEffect(__FlashStringHelper *customName) { ledModeName = customName; }
 
   void brightness(uint8_t);
   uint8_t brightness() {
@@ -71,8 +71,8 @@ class LEDRainbowEffect : public Plugin,
 
 class LEDRainbowWaveEffect : public Plugin, public LEDModeInterface {
  public:
-  LEDRainbowWaveEffect() { ledModeName = "RainbowWave"; }
-  explicit LEDRainbowWaveEffect(char *customName) { ledModeName = customName; }
+  LEDRainbowWaveEffect() { ledModeName = F("RainbowWave"); }
+  explicit LEDRainbowWaveEffect(__FlashStringHelper *customName) { ledModeName = customName; }
 
   void brightness(uint8_t);
   uint8_t brightness() {
diff --git a/plugins/Kaleidoscope-LEDEffect-SolidColor/src/kaleidoscope/plugin/LEDEffect-SolidColor.h b/plugins/Kaleidoscope-LEDEffect-SolidColor/src/kaleidoscope/plugin/LEDEffect-SolidColor.h
index c233fa626e..9dedeb1175 100644
--- a/plugins/Kaleidoscope-LEDEffect-SolidColor/src/kaleidoscope/plugin/LEDEffect-SolidColor.h
+++ b/plugins/Kaleidoscope-LEDEffect-SolidColor/src/kaleidoscope/plugin/LEDEffect-SolidColor.h
@@ -30,10 +30,10 @@ class LEDSolidColor : public Plugin,
  public:
   LEDSolidColor(uint8_t r, uint8_t g, uint8_t b)
     : r_(r), g_(g), b_(b) {
-    ledModeName = "SolidColor";
+    ledModeName = F("SolidColor");
   }
 
-  LEDSolidColor(char *customName, uint8_t r, uint8_t g, uint8_t b)
+  LEDSolidColor(__FlashStringHelper *customName, uint8_t r, uint8_t g, uint8_t b)
     : r_(r), g_(g), b_(b) {
     ledModeName = customName;
   }
diff --git a/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/Jukebox.cpp b/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/Jukebox.cpp
index ba202da9c4..ebdc2440d6 100644
--- a/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/Jukebox.cpp
+++ b/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/Jukebox.cpp
@@ -20,12 +20,12 @@
 #include "kaleidoscope/device/device.h"    // for CRGB
 #include "kaleidoscope/plugin/TriColor.h"  // for TriColor
 
-kaleidoscope::plugin::TriColor JukeboxEffect("Jukebox",
+kaleidoscope::plugin::TriColor JukeboxEffect(F("Jukebox"),
                                              CRGB(0xc8, 0xe8, 0xee),  /* TM */
                                              CRGB(0xc3, 0xee, 0x8c),  /* VCO */
                                              CRGB(0x21, 0x38, 0xd7)); /* RN */
 
-kaleidoscope::plugin::TriColor JukeboxAlternateEffect("JukeboxAlternate",
+kaleidoscope::plugin::TriColor JukeboxAlternateEffect(F("JukeboxAlternate"),
                                                       CRGB(0xc8, 0xe8, 0xee),  /* TM */
                                                       CRGB(0x21, 0x38, 0xd7),  /* RN */
                                                       CRGB(0xc3, 0xee, 0x8c)); /* VCO */
diff --git a/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/Miami.cpp b/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/Miami.cpp
index f553a3803c..7396dce408 100644
--- a/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/Miami.cpp
+++ b/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/Miami.cpp
@@ -20,6 +20,6 @@
 #include "kaleidoscope/device/device.h"    // for CRGB
 #include "kaleidoscope/plugin/TriColor.h"  // for TriColor
 
-kaleidoscope::plugin::TriColor MiamiEffect("Miami",
+kaleidoscope::plugin::TriColor MiamiEffect(F("Miami"),
                                            CRGB(0x4e, 0xd6, 0xd6),  /* Cyan */
                                            CRGB(0xaf, 0x67, 0xfa)); /* Magenta */
diff --git a/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/TriColor.cpp b/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/TriColor.cpp
index e67c907a2f..a012ae7d9a 100644
--- a/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/TriColor.cpp
+++ b/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/TriColor.cpp
@@ -26,7 +26,7 @@
 namespace kaleidoscope {
 namespace plugin {
 
-TriColor::TriColor(char *customName, cRGB base_color, cRGB mod_color, cRGB esc_color) {
+TriColor::TriColor(__FlashStringHelper *customName, cRGB base_color, cRGB mod_color, cRGB esc_color) {
   ledModeName = customName;
   base_color_ = base_color;
   mod_color_  = mod_color;
diff --git a/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/TriColor.h b/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/TriColor.h
index 352e2f5a38..ca3d58ea77 100644
--- a/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/TriColor.h
+++ b/plugins/Kaleidoscope-LEDEffects/src/kaleidoscope/plugin/TriColor.h
@@ -27,13 +27,13 @@ namespace plugin {
 class TriColor : public Plugin,
                  public LEDModeInterface {
  public:
-  TriColor(char *customName, cRGB base_color, cRGB mod_color, cRGB esc_color);
+  TriColor(__FlashStringHelper *customName, cRGB base_color, cRGB mod_color, cRGB esc_color);
   TriColor(cRGB base_color, cRGB mod_color, cRGB esc_color)
-    : TriColor("TriColor", base_color, mod_color, esc_color) {}
-  TriColor(char *customName, cRGB base_color, cRGB mod_color)
+    : TriColor(F("TriColor"), base_color, mod_color, esc_color) {}
+  TriColor(__FlashStringHelper *customName, cRGB base_color, cRGB mod_color)
     : TriColor(customName, base_color, mod_color, mod_color) {}
   TriColor(cRGB base_color, cRGB mod_color)
-    : TriColor("TriColor", base_color, mod_color, mod_color) {}
+    : TriColor(F("TriColor"), base_color, mod_color, mod_color) {}
 
   // This class' instance has dynamic lifetime
   //
diff --git a/src/kaleidoscope/event_handlers.h b/src/kaleidoscope/event_handlers.h
index 21eb9e7770..5a7c1f946c 100644
--- a/src/kaleidoscope/event_handlers.h
+++ b/src/kaleidoscope/event_handlers.h
@@ -18,6 +18,8 @@
 
 #pragma once
 
+#include <Arduino.h>  // for __FlashStringHelper
+
 // This file defines the names and argument signatures for all event handlers
 // in the Kaleidoscope core.
 //
@@ -38,7 +40,7 @@
 #define _NOT_ABORTABLE false
 
 // Define the callback for the LED mode hook handler
-typedef void (*LedModeCallback)(const char*);
+typedef void (*LedModeCallback)(const __FlashStringHelper*);
 
 #define _CURRENT_IMPLEMENTATION
 
diff --git a/src/kaleidoscope/plugin/LEDControl/LED-Off.h b/src/kaleidoscope/plugin/LEDControl/LED-Off.h
index 0936d1dbe0..d1fbb229eb 100644
--- a/src/kaleidoscope/plugin/LEDControl/LED-Off.h
+++ b/src/kaleidoscope/plugin/LEDControl/LED-Off.h
@@ -27,8 +27,8 @@ namespace plugin {
 //
 class LEDOff : public LEDMode {
  public:
-  LEDOff() { ledModeName = "Off"; }
-  explicit LEDOff(char *customName) { ledModeName = customName; }
+  LEDOff() { ledModeName = F("Off"); }
+  explicit LEDOff(__FlashStringHelper *customName) { ledModeName = customName; }
 
  protected:
   void onActivate() final;
diff --git a/src/kaleidoscope/plugin/LEDModeInterface.h b/src/kaleidoscope/plugin/LEDModeInterface.h
index 78e77e95c1..9e1ef51255 100644
--- a/src/kaleidoscope/plugin/LEDModeInterface.h
+++ b/src/kaleidoscope/plugin/LEDModeInterface.h
@@ -16,6 +16,8 @@
 
 #pragma once
 
+#include <Arduino.h>  // for __FlashStringHelper, F
+
 #include "kaleidoscope/event_handler_result.h"  // for EventHandlerResult
 #include "kaleidoscope/event_handlers.h"        // for LedModeCallback
 
@@ -26,14 +28,14 @@ class LEDModeInterface {
  public:
   LEDModeInterface()
     : ledModeName{0} {}
-  explicit LEDModeInterface(const char *_ledModeName)
+  explicit LEDModeInterface(const __FlashStringHelper *_ledModeName)
     : ledModeName{_ledModeName} {}
   void activate();
 
   EventHandlerResult onLedEffectQuery(LedModeCallback callback) {
     if (ledModeName == 0) {
       // If no name was defined, return a default string
-      callback(const_cast<char *>("[unnamed led mode]"));
+      callback(F("[unnamed led mode]"));
     } else {
       callback(ledModeName);
     }
@@ -54,7 +56,7 @@ class LEDModeInterface {
   typedef NoLEDMode DynamicLEDMode;
 
  protected:
-  const char *ledModeName;
+  const __FlashStringHelper *ledModeName;
 };
 
 }  // namespace plugin