--- a/graphics/RubberBand.py	Wed Jul 03 11:08:09 2013 +0200
+++ b/graphics/RubberBand.py	Thu Jul 04 11:18:04 2013 +0200
@@ -164,6 +164,8 @@
                     bbox.x * scalex, bbox.y * scaley, 
                     bbox.width * scalex, bbox.height * scaley)
         
+        dc.SetLogicalFunction(wx.COPY)
+        
         # Restore Viewer scale factor
         dc.SetUserScale(scalex, scaley)