diff --git a/js/extensionPrefs/main.js b/js/extensionPrefs/main.js
index e5961e2e0..afac49a80 100644
--- a/js/extensionPrefs/main.js
+++ b/js/extensionPrefs/main.js
@@ -78,6 +78,8 @@ var Application = GObject.registerClass({
         dialog.set_default_size(600, 400);
         dialog.add(widget);
         dialog.show();
+
+        return true;
     }
 
     _buildErrorUI(row, exc) {