diff --git a/effects/cube/cube.cpp b/effects/cube/cube.cpp
index 7cc998cd79..a1c3ab5bec 100644
--- a/effects/cube/cube.cpp
+++ b/effects/cube/cube.cpp
@@ -2068,4 +2068,12 @@ void CubeEffect::tabBoxClosed()
         }
     }
 
+void CubeEffect::windowAdded( EffectWindow* )
+    {
+    // when there is a new window we have to paint it once without using GL List
+    // to prevent that the window is black
+    if( activated )
+        useList = false;
+    }
+
 } // namespace
diff --git a/effects/cube/cube.h b/effects/cube/cube.h
index d1ca512ea5..0bc99e419e 100644
--- a/effects/cube/cube.h
+++ b/effects/cube/cube.h
@@ -51,6 +51,7 @@ class CubeEffect
         virtual void tabBoxAdded( int mode );
         virtual void tabBoxUpdated();
         virtual void tabBoxClosed();
+        virtual void windowAdded( EffectWindow* );
 
         static bool supported();
     private slots: