diff -r f9fcf6d4324e -r f923dd150c2f Tools__NewClassWizardDialog.st
--- a/Tools__NewClassWizardDialog.st	Thu Jan 26 12:39:24 2017 +0100
+++ b/Tools__NewClassWizardDialog.st	Thu Jan 26 14:03:14 2017 +0100
@@ -1032,7 +1032,7 @@
         self canDisableTemplateCreationHolder value:true.
     ].    
     
-    stereoTypeSymbol = nil ifTrue:[
+    stereoTypeSymbol isNil ifTrue:[
         self createInitializerHolder value:true.
         self createPrintMethodHolder value:false.
         self createAccessorsHolder value:true.