diff --git a/extensions/apps-menu/extension.js b/extensions/apps-menu/extension.js
index adc77a4..939a07c 100644
--- a/extensions/apps-menu/extension.js
+++ b/extensions/apps-menu/extension.js
@@ -240,17 +240,21 @@ class ApplicationsMenu extends PopupMenu.PopupMenu {
     }
 
     open(animate) {
-        this._button.hotCorner.setBarrierSize(0);
-        if (this._button.hotCorner.actor) // fallback corner
-            this._button.hotCorner.actor.hide();
-        super.open(animate);
+        if (this._button.hotCorner) {
+            this._button.hotCorner.setBarrierSize(0);
+            if (this._button.hotCorner.actor) // fallback corner
+                this._button.hotCorner.actor.hide();
+            super.open(animate);
+        }
     }
 
     close(animate) {
         let size = Main.layoutManager.panelBox.height;
-        this._button.hotCorner.setBarrierSize(size);
-        if (this._button.hotCorner.actor) // fallback corner
-            this._button.hotCorner.actor.show();
+        if (this._button.hotCorner) {
+            this._button.hotCorner.setBarrierSize(size);
+            if (this._button.hotCorner.actor) // fallback corner
+                this._button.hotCorner.actor.show();
+        }
         super.close(animate);
     }