--- a/reports/report-runner.st	Mon Jan 23 09:57:16 2012 +0100
+++ b/reports/report-runner.st	Mon Jan 23 10:00:34 2012 +0100
@@ -22,9 +22,7 @@
        Stderr nextPutAll:'  '; nextPutAll: each; cr.
     ].
 
-	(OperatingSystem getEnvironment: 'DISPLAY') notNil ifTrue:[
-        Smalltalk beHeadless: false.
-	].
+    Smalltalk beHeadless: (OperatingSystem getEnvironment: 'DISPLAY') isNil.
 ] ifFalse: [
 	Smalltalk beHeadless: true.
 ].