--- a/DirectoryContentsBrowser.st	Thu May 07 12:52:00 2015 +0200
+++ b/DirectoryContentsBrowser.st	Thu May 07 12:52:27 2015 +0200
@@ -2261,6 +2261,9 @@
 
     | column icon|   
     
+    previewIndex == 0 ifTrue:[^ nil].
+    previewIndex isNil ifTrue:[^ nil].
+
     column := browser columnDescriptorAt:previewIndex.
     column isNil ifTrue:[
         previewIndex := 0.
@@ -3525,10 +3528,10 @@
 !DirectoryContentsBrowser class methodsFor:'documentation'!
 
 version
-    ^ '$Header: /cvs/stx/stx/libtool/DirectoryContentsBrowser.st,v 1.271 2015-04-22 17:53:25 stefan Exp $'
+    ^ '$Header: /cvs/stx/stx/libtool/DirectoryContentsBrowser.st,v 1.272 2015-05-07 10:52:27 cg Exp $'
 !
 
 version_CVS
-    ^ '$Header: /cvs/stx/stx/libtool/DirectoryContentsBrowser.st,v 1.271 2015-04-22 17:53:25 stefan Exp $'
+    ^ '$Header: /cvs/stx/stx/libtool/DirectoryContentsBrowser.st,v 1.272 2015-05-07 10:52:27 cg Exp $'
 ! !