diff --git a/client/app/scripts/stores/app-store.js b/client/app/scripts/stores/app-store.js
index f25008a42..5f79042b9 100644
--- a/client/app/scripts/stores/app-store.js
+++ b/client/app/scripts/stores/app-store.js
@@ -240,7 +240,7 @@ export class AppStore extends Store {
   }
 
   getTopCardNodeId() {
-    return nodeDetails.last().id;
+    return nodeDetails.last() && nodeDetails.last().id;
   }
 
   getNodes() {