--- a/DisplayRootView.st	Wed Feb 26 14:26:01 2020 +0100
+++ b/DisplayRootView.st	Wed Feb 26 14:50:44 2020 +0100
@@ -211,13 +211,13 @@
 !DisplayRootView methodsFor:'initialization & release'!
 
 initialize
-    |dev|
+    |graphicsDevice|
 
     super initialize.
 
-    dev := self device.
-    width := dev width.
-    height := dev height.
+    graphicsDevice := self graphicsDevice.
+    width := graphicsDevice width.
+    height := graphicsDevice height.
     self createRootWindow.
     realized := true.
 !