diff --git a/newIDE/app/src/EventsFunctionsExtensionEditor/index.js b/newIDE/app/src/EventsFunctionsExtensionEditor/index.js
index 4e224f585bfd..7e0a1aa1e015 100644
--- a/newIDE/app/src/EventsFunctionsExtensionEditor/index.js
+++ b/newIDE/app/src/EventsFunctionsExtensionEditor/index.js
@@ -296,9 +296,7 @@ export default class EventsFunctionsExtensionEditor extends React.Component<
           selectedEventsBasedBehavior,
           selectedEventsBasedObject,
         },
-        () => {
-          this.updateToolbar();
-        }
+        () => this.updateToolbar()
       );
       return;
     }