diff --git a/projects/common/interfaces/UIElementInterfaces.ts b/projects/common/interfaces/UIElementInterfaces.ts
index 5844b0e8887bed29668bf12ac5cefdd44ff0db45..98a52363caadd90e77fac74c13de0184860a2e9a 100644
--- a/projects/common/interfaces/UIElementInterfaces.ts
+++ b/projects/common/interfaces/UIElementInterfaces.ts
@@ -25,7 +25,7 @@ export interface PlayerElement {
   hintLabelDelay: number; // default: 0 (milliseconds)
   uninterruptible: boolean; // false kein Blättern; starten eines anderen Videos; ....
   hideOtherPages: boolean; // false (Solange nicht vollständig gespielt, sind alle anderen Seiten verborgen)
-  activeAfter: string; // '' (andere Audio - id; Audio ist deaktiviert, solange anderes nicht vollständig abgespielt)
+  activeAfterID: string; // '' (andere Audio - id; Audio ist deaktiviert, solange anderes nicht vollständig abgespielt)
   minRuns: number; // 1
   maxRuns: number | null; // null
   showRestTime: boolean; // true
diff --git a/projects/common/models/audio-element.ts b/projects/common/models/audio-element.ts
index 386de73196d05eca6c9f6f289a01228abe5bbd15..07e631362eb5e117cde28ae9efa475ef7c3b99a1 100644
--- a/projects/common/models/audio-element.ts
+++ b/projects/common/models/audio-element.ts
@@ -18,7 +18,7 @@ export class AudioElement extends UIElement implements PlayerElement {
   hintLabelDelay: number = 0;
   uninterruptible: boolean = false;
   hideOtherPages: boolean = false;
-  activeAfter: string = '';
+  activeAfterID: string = '';
   minRuns: number = 1;
   maxRuns: number | null = null;
   showRestTime: boolean = true;
diff --git a/projects/common/models/video-element.ts b/projects/common/models/video-element.ts
index 69e9387807f82583ad655e1da83fc943e1e30fc6..824656703a6bda0c634cf6ad13cc78e9f34f6ced 100644
--- a/projects/common/models/video-element.ts
+++ b/projects/common/models/video-element.ts
@@ -18,7 +18,7 @@ export class VideoElement extends UIElement implements PlayerElement {
   hintLabelDelay: number = 0;
   uninterruptible: boolean = false;
   hideOtherPages: boolean = false;
-  activeAfter: string = '';
+  activeAfterID: string = '';
   minRuns: number = 1;
   maxRuns: number | null = null;
   showRestTime: boolean = true;
diff --git a/projects/common/util/unit-interface-initializer.ts b/projects/common/util/unit-interface-initializer.ts
index bc8d51f8dff2a4fe3cb77c7abd4f9f83b228177d..11c0ec7219c8f529f4a51722603bef3c9513fcde 100644
--- a/projects/common/util/unit-interface-initializer.ts
+++ b/projects/common/util/unit-interface-initializer.ts
@@ -31,7 +31,7 @@ export function initPlayerElement(serializedElement: UIElement): PlayerElement {
     hintLabelDelay: serializedElement.hintLabelDelay as number || 0,
     uninterruptible: serializedElement.uninterruptible as boolean || false,
     hideOtherPages: serializedElement.hideOtherPages as boolean || false,
-    activeAfter: serializedElement.activeAfter as string || '',
+    activeAfterID: serializedElement.activeAfterID as string || '',
     minRuns: serializedElement.minRuns as number || 1,
     maxRuns: serializedElement.maxRuns as number | null || null,
     showRestTime: serializedElement.showRestTime as boolean || true