diff --git a/js/dbusServices/extensions/extensionPrefsDialog.js b/js/dbusServices/extensions/extensionPrefsDialog.js
index 334640d5e..9e3ea57ee 100644
--- a/js/dbusServices/extensions/extensionPrefsDialog.js
+++ b/js/dbusServices/extensions/extensionPrefsDialog.js
@@ -58,6 +58,11 @@ export const ExtensionPrefsDialog = GObject.registerClass({
         });
     }
 
+    destroy() {
+        this._showErrorPage(
+            new Error('destroy() breaks tracking open dialogs, use close() if you must'));
+    }
+
     _showErrorPage(e) {
         while (this.visible_page)
             this.remove(this.visible_page);