diff --git a/api/js/egw_action/egw_action.ts b/api/js/egw_action/egw_action.ts
index b6b2d5ead1..7ea8210334 100755
--- a/api/js/egw_action/egw_action.ts
+++ b/api/js/egw_action/egw_action.ts
@@ -267,16 +267,17 @@ export class egwActionObjectInterface implements EgwActionObjectInterface {
     stateChangeContext = null;
     reconnectActionsCallback = null;
     reconnectActionsContext = null;
+    handlers = {};
 
     doGetDOMNode() {
         return null;
     };
-
     // or not.
+
     doSetState(_state) {
     };
-
     // or EGW_AI_DRAG_OUT
+
     doTriggerEvent(_event, _data) {
         return false;
     };