diff --git a/packages/x-components/src/components/global-x-bus.vue b/packages/x-components/src/components/global-x-bus.vue
index 836a7ab31e..eefae60612 100644
--- a/packages/x-components/src/components/global-x-bus.vue
+++ b/packages/x-components/src/components/global-x-bus.vue
@@ -31,7 +31,7 @@
         });
       });
 
-      return {};
+      return () => '';
     }
   });
 </script>