diff --git a/client.cpp b/client.cpp
index 7a75876cc3..167bbdd707 100644
--- a/client.cpp
+++ b/client.cpp
@@ -2086,7 +2086,7 @@ bool Client::wantsInput() const
 bool Client::isSpecialWindow() const
 {
     // TODO
-    return isDesktop() || isDock() || isSplash() || isToolbar();
+    return isDesktop() || isDock() || isSplash() || isToolbar() || isNotification() || isOnScreenDisplay();
 }
 
 /**