--- a/GradientBackground.st	Tue May 10 15:08:19 2016 +0200
+++ b/GradientBackground.st	Tue May 10 15:08:55 2016 +0200
@@ -1,3 +1,5 @@
+"{ Encoding: utf8 }"
+
 "
  COPYRIGHT (c) 2009 by eXept Software AG
               All Rights Reserved
@@ -389,6 +391,7 @@
             w := len ? (aDevice width).  "/ aView width.
         ].
         cachedForm := Form width:w height:h depth:aDevice depth onDevice:aDevice.
+        cachedForm isNil ifTrue:[^nil].
         "/ cachedForm clear.
         self fillRectangleX:0 y:0 width:w height:h in:cachedForm
     ].