diff --git a/client.h b/client.h
index 1fe5a81f02..fa5dc47bd3 100644
--- a/client.h
+++ b/client.h
@@ -325,6 +325,7 @@ class Client
             WindowRelative      // Relative to the top left corner of the window
         };
         void layoutDecorationRects(QRect &left, QRect &top, QRect &right, QRect &bottom, CoordinateMode mode) const;
+        virtual void addRepaintFull();
 
     private slots:
         void autoRaise();
diff --git a/composite.cpp b/composite.cpp
index 00b281039b..573825f2f2 100644
--- a/composite.cpp
+++ b/composite.cpp
@@ -958,6 +958,12 @@ bool Client::shouldUnredirect() const
     return false;
     }
 
+void Client::addRepaintFull()
+    {
+    repaints_region = decorationRect();
+    workspace()->checkCompositeTimer();
+    }
+
 //****************************************
 // Unmanaged
 //****************************************