diff --git a/client/core/src/watcher/watcher.js b/client/core/src/watcher/watcher.js
index 38f72c8f5b..dab91c8fee 100644
--- a/client/core/src/watcher/watcher.js
+++ b/client/core/src/watcher/watcher.js
@@ -181,7 +181,7 @@ export default class Watcher extends Component {
     }
 
     dataChanged() {
-        if (!this.form.$dirty) return false;
+        if (this.form && !this.form.$dirty) return false;
         let newData = this.copyInNewObject(this.data);
         return !isEqual(newData, this.orgData);
     }