--- a/Tools__LintRuleSettingsApplication.st	Fri Jun 03 11:56:03 2016 +0200
+++ b/Tools__LintRuleSettingsApplication.st	Fri Jun 03 11:59:04 2016 +0200
@@ -1,3 +1,5 @@
+"{ Encoding: utf8 }"
+
 "
  COPYRIGHT (c) 2006 by eXept Software AG
               All Rights Reserved
@@ -572,7 +574,9 @@
                 self updateModifiedChannel.
                 self defaultInBrowserRuleNameHolder 
                     value:(smallLintRulesetDefault value isNil
-                            ifTrue:[ RBBuiltinRuleSet rulesetBuiltinDefault]
+                            ifTrue:[ RBBuiltinRuleSet notNil 
+                                        ifTrue:[RBBuiltinRuleSet rulesetBuiltinDefault]
+                                        ifFalse:[nil]]    
                             ifFalse:[ smallLintRulesetDefault value name ])
             ].
     ].