diff --git a/effects/shadow.cpp b/effects/shadow.cpp
index c8546853ba..678a98ba19 100644
--- a/effects/shadow.cpp
+++ b/effects/shadow.cpp
@@ -73,6 +73,11 @@ QRect ShadowEffect::transformWindowDamage( EffectWindow* w, const QRect& r )
     QRect r2 = r | shadowRectangle( r );
     return effects->transformWindowDamage( w, r2 );
     }
+    
+void ShadowEffect::windowClosed( EffectWindow* c )
+    {
+    effects->addRepaint( shadowRectangle( c->geometry() ));
+    }
 
 bool ShadowEffect::useShadow( EffectWindow* w ) const
     {
diff --git a/effects/shadow.h b/effects/shadow.h
index ee1f8c9529..213d4b110f 100644
--- a/effects/shadow.h
+++ b/effects/shadow.h
@@ -28,6 +28,7 @@ class ShadowEffect
         virtual void paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
         virtual void postPaintWindow( EffectWindow* w );
         virtual QRect transformWindowDamage( EffectWindow* w, const QRect& r );
+        virtual void windowClosed( EffectWindow* c );
     private:
         void drawShadow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data );
         void addQuadVertices(QVector<float>& verts, float x1, float y1, float x2, float y2) const;