diff --git a/composite.cpp b/composite.cpp
index 5a3a68ddd0..f75787ef2b 100644
--- a/composite.cpp
+++ b/composite.cpp
@@ -314,6 +314,9 @@ void Workspace::suspendCompositing( bool suspend )
     compositingSuspended = suspend;
     finishCompositing();
     setupCompositing(); // will do nothing if suspended
+    // notify decorations that composition state has changed
+    KDecorationFactory* factory = mgr->factory();
+    factory->reset(SettingCompositing);
     emit compositingToggled( !compositingSuspended );
     }