diff --git a/project/ws/viewer/src/lib/components/viewer-toc/viewer-toc.component.ts b/project/ws/viewer/src/lib/components/viewer-toc/viewer-toc.component.ts
index dbd0b0337..28bf6d8f7 100755
--- a/project/ws/viewer/src/lib/components/viewer-toc/viewer-toc.component.ts
+++ b/project/ws/viewer/src/lib/components/viewer-toc/viewer-toc.component.ts
@@ -345,13 +345,14 @@ export class ViewerTocComponent implements OnInit, OnDestroy {
     //   duration: collection.duration,
     //   redirectUrl: this.getCollectionTypeRedirectUrl(collection.displayContentType, collection.identifier),
     // }
+    const img = collection.posterImage ? collection.posterImage : collection.appIcon
     return {
       type: this.getCollectionTypeCard(collection.primaryCategory),
       id: collection.identifier,
       title: collection.name,
       thumbnail: this.forPreview
-        ? this.viewSvc.getAuthoringUrl(this.viewSvc.getPublicUrl(collection.posterImage))
-        : this.viewSvc.getPublicUrl(collection.posterImage),
+        ? this.viewSvc.getAuthoringUrl(this.viewSvc.getPublicUrl(img))
+        : this.viewSvc.getPublicUrl(img),
       subText1: collection.primaryCategory,
       subText2: collection.difficultyLevel,
       duration: collection.duration,