diff --git a/src/data/zwave_js.ts b/src/data/zwave_js.ts
index 952804522f29..eed2117a341f 100644
--- a/src/data/zwave_js.ts
+++ b/src/data/zwave_js.ts
@@ -715,11 +715,13 @@ export const getZwaveNodeRawConfigParameter = (
   device_id: string,
   property: number
 ): Promise<number> =>
-  hass.callWS({
-    type: "zwave_js/get_raw_config_parameter",
-    device_id,
-    property,
-  });
+  hass
+    .callWS<{ value: number }>({
+      type: "zwave_js/get_raw_config_parameter",
+      device_id,
+      property,
+    })
+    .then((res) => res.value);
 
 export const reinterviewZwaveNode = (
   hass: HomeAssistant,
diff --git a/src/panels/config/integrations/integration-panels/zwave_js/zwave_js-custom-param.ts b/src/panels/config/integrations/integration-panels/zwave_js/zwave_js-custom-param.ts
index c6ff73ecf09c..b250c4cd3884 100644
--- a/src/panels/config/integrations/integration-panels/zwave_js/zwave_js-custom-param.ts
+++ b/src/panels/config/integrations/integration-panels/zwave_js/zwave_js-custom-param.ts
@@ -11,6 +11,7 @@ import {
   getZwaveNodeRawConfigParameter,
   setZwaveNodeRawConfigParameter,
 } from "../../../../../data/zwave_js";
+import { fireEvent } from "../../../../../common/dom/fire_event";
 
 @customElement("zwave_js-custom-param")
 class ZWaveJSCustomParam extends LitElement {
@@ -165,6 +166,10 @@ class ZWaveJSCustomParam extends LitElement {
         this._customParamNumber
       );
       this._value = value;
+      fireEvent(this, "new-value", {
+        property: this._customParamNumber,
+        value: this._value,
+      });
     } catch (err: any) {
       this._error = err?.message || "Unknown error";
     } finally {
@@ -206,6 +211,10 @@ class ZWaveJSCustomParam extends LitElement {
         this._valueSize,
         this._valueFormat
       );
+      fireEvent(this, "new-value", {
+        property: this._customParamNumber,
+        value: this._value,
+      });
     } catch (err: any) {
       this._error = err?.message || "Unknown error";
     } finally {
@@ -261,4 +270,10 @@ declare global {
   interface HTMLElementTagNameMap {
     "zwave_js-custom-param": ZWaveJSCustomParam;
   }
+  interface HASSDomEvents {
+    "new-value": {
+      property: number;
+      value: number;
+    };
+  }
 }
diff --git a/src/panels/config/integrations/integration-panels/zwave_js/zwave_js-node-config.ts b/src/panels/config/integrations/integration-panels/zwave_js/zwave_js-node-config.ts
index 3ee719f3df0e..6859413fe280 100644
--- a/src/panels/config/integrations/integration-panels/zwave_js/zwave_js-node-config.ts
+++ b/src/panels/config/integrations/integration-panels/zwave_js/zwave_js-node-config.ts
@@ -214,6 +214,7 @@ class ZWaveJSNodeConfig extends LitElement {
             <zwave_js-custom-param
               .hass=${this.hass}
               .deviceId=${this.deviceId}
+              @new-value=${this._handleNewValue}
             ></zwave_js-custom-param>
           </ha-card>
         </ha-config-section>
@@ -389,6 +390,10 @@ class ZWaveJSNodeConfig extends LitElement {
     return false;
   }
 
+  private _handleNewValue() {
+    this._fetchData();
+  }
+
   private _switchToggled(ev) {
     this._setResult(ev.target.key, undefined);
     this._updateConfigParameter(ev.target, ev.detail.value ? 1 : 0);