diff --git a/applets/notifications/package/contents/ui/global/Globals.qml b/applets/notifications/package/contents/ui/global/Globals.qml
--- a/applets/notifications/package/contents/ui/global/Globals.qml
+++ b/applets/notifications/package/contents/ui/global/Globals.qml
@@ -269,7 +269,9 @@
             }
 
             // TODO would be nice to hide popups when systray or panel controller is open
-            popup.visible = visible;
+            popup.visible = Qt.binding(function() {
+                return visible && !plasmoid.expanded;
+            });
         }
     }