diff -r f7491ef4bcf0 -r e3de9d8ad4ec DataSetBuilder.st
--- a/DataSetBuilder.st	Wed Mar 05 23:18:43 2014 +0100
+++ b/DataSetBuilder.st	Wed Mar 05 23:19:45 2014 +0100
@@ -3545,7 +3545,7 @@
         ]
     ].
     aspects keysAndValuesDo:[:aKey :aModel| 
-        column perform:(aKey , ':') asSymbol with: aModel value
+        column perform:aKey asMutator with: aModel value
     ].
     self seqList at:self singleSelectedColumnIndex put:(self labelFromColumn:column).
     self updateColumnView.