diff --git a/README.md b/README.md
index ba2d0a9..fb3e72d 100644
--- a/README.md
+++ b/README.md
@@ -90,8 +90,9 @@ Die SD Karte (Ordner mp3 und advert) hat sich gegenüber der Version 3.1.11 geä
 
 # Change Log
 
-## Version 3.1.12 (15.08.2024)
+## Version 3.1.12 (16.08.2024)
 - [Issue 220](https://github.com/tonuino/TonUINO-TNG/issues/220): New shortcut for switching BT on/off
+- [Issue 219](https://github.com/tonuino/TonUINO-TNG/issues/219): Disable modification cards during quiz and memory game
 
 ## Version 3.1.11 (31.07.2024)
 - [Issue 212](https://github.com/tonuino/TonUINO-TNG/issues/212): Sleep Timer Modification card doesn't work properly with NeoPixel Ring
diff --git a/TonUINO-TNG.ino b/TonUINO-TNG.ino
index 7e28696..f7ce1e9 100644
--- a/TonUINO-TNG.ino
+++ b/TonUINO-TNG.ino
@@ -35,7 +35,7 @@ void setup()
   LOG(init_log, s_error, F("TonUINO Version 3.1 - refactored by Boerge1\n"));
   LOG(init_log, s_error, F("created by Thorsten Voß and licensed under GNU/GPL."));
   LOG(init_log, s_error, F("Information and contribution at https://tonuino.de.\n"));
-  LOG(init_log, s_error, F("V3.1.12 15.08.24\n"));
+  LOG(init_log, s_error, F("V3.1.12 16.08.24\n"));
 
 #ifdef TonUINO_Classic
   LOG(init_log, s_error, F("C "), lf_no);
diff --git a/src/state_machine.cpp b/src/state_machine.cpp
index 0968037..77f9b37 100644
--- a/src/state_machine.cpp
+++ b/src/state_machine.cpp
@@ -898,6 +898,7 @@ void StartPlay::react(command_e const &/*cmd_e*/) {
 void Quiz::entry() {
   LOG(state_log, s_info, str_enter(), str_Quiz());
   tonuino.disableStandbyTimer();
+  tonuino.resetActiveModifier();
   tonuino.playFolder();
   numAnswer   = tonuino.getMyFolder().special;
   numSolution = tonuino.getMyFolder().special2;
@@ -1139,6 +1140,7 @@ void Quiz::finish() {
 void Memory::entry() {
   LOG(state_log, s_info, str_enter(), str_Memory());
   tonuino.disableStandbyTimer();
+  tonuino.resetActiveModifier();
   tonuino.playFolder();
   first  = 0;
   second = 0;
diff --git a/src/tonuino.cpp b/src/tonuino.cpp
index 2819236..5327547 100644
--- a/src/tonuino.cpp
+++ b/src/tonuino.cpp
@@ -381,6 +381,16 @@ bool Tonuino::specialCard(const folderSettings &nfcTag) {
     return true;
   }
 
+#ifdef QUIZ_GAME
+  if (SM_tonuino::is_in_state<Quiz>() && nfcTag.mode != pmode_t::bt_module)
+    return false;
+#endif // QUIZ_GAME
+#ifdef MEMORY_GAME
+  if (SM_tonuino::is_in_state<Memory>() && nfcTag.mode != pmode_t::bt_module)
+    return false;
+#endif // MEMORY_GAME
+
+
   switch (nfcTag.mode) {
   case pmode_t::sleep_timer:  LOG(card_log, s_info, F("act. sleepTimer"));
                               mp3.playAdvertisement(advertTracks::t_302_sleep            , false/*olnyIfIsPlaying*/);