diff --git a/extension.js b/extension.js
index 80a0776..c1fac4e 100644
--- a/extension.js
+++ b/extension.js
@@ -85,6 +85,7 @@ export default class DashToPanelExtension extends Extension {
 
         DTP_EXTENSION = null;
         SETTINGS = null;
+        DESKTOPSETTINGS = null;
         panelManager = null;
 
         if (!reset) {