diff --git a/effects/scalein.cpp b/effects/scalein.cpp
index 2a3c19b9a7..e6f65f5348 100644
--- a/effects/scalein.cpp
+++ b/effects/scalein.cpp
@@ -47,7 +47,7 @@ void ScaleInEffect::prePaintWindow( EffectWindow* w, WindowPrePaintData& data, i
 
 void ScaleInEffect::paintWindow( EffectWindow* w, int mask, QRegion region, WindowPaintData& data )
     {
-    if( windows.contains( w ))
+    if( windows.contains( w ) && isScaleWindow( w ) )
         {
         data.xScale *= windows[ w ];
         data.yScale *= windows[ w ];
@@ -57,6 +57,14 @@ void ScaleInEffect::paintWindow( EffectWindow* w, int mask, QRegion region, Wind
     effects->paintWindow( w, mask, region, data );
     }
 
+bool ScaleInEffect::isScaleWindow( EffectWindow* w )
+    {
+    // TODO: isSpecialWindow is rather generic, maybe tell windowtypes separately?
+    if ( w->isPopupMenu() || w->isSpecialWindow() )
+        return false;
+    return true;
+    }
+
 void ScaleInEffect::postPaintWindow( EffectWindow* w )
     {
     if( windows.contains( w ))
diff --git a/effects/scalein.h b/effects/scalein.h
index 5ae0c08c10..693290fa41 100644
--- a/effects/scalein.h
+++ b/effects/scalein.h
@@ -38,6 +38,7 @@ class ScaleInEffect
         virtual void windowAdded( EffectWindow* c );
         virtual void windowClosed( EffectWindow* c );
     private:
+        bool isScaleWindow ( EffectWindow* w );
         QHash< const EffectWindow*, double > windows;
     };