--- a/Label.st	Thu Mar 15 22:43:45 2018 +0100
+++ b/Label.st	Wed Mar 21 17:43:05 2018 +0100
@@ -1929,6 +1929,7 @@
 
 drawImageLogo:imageOrForm x:x y:y opaque:opaque
     (opaque not or:[imageOrForm mask notNil]) ifTrue:[
+        gc clearRectangleX:x y:y width:imageOrForm width height:imageOrForm height.
         gc displayForm:imageOrForm x:x y:y 
     ] ifFalse:[
         gc displayOpaqueForm:imageOrForm x:x y:y