--- a/Tools__ProjectBuilderAssistantApplication.st	Mon Oct 26 09:44:58 2009 +0100
+++ b/Tools__ProjectBuilderAssistantApplication.st	Mon Oct 26 10:31:44 2009 +0100
@@ -1260,10 +1260,14 @@
 !
 
 selectedProjectChanged
-    self selectedProjectIndexHolder value isNil ifTrue:[
+
+    |selectedProjectIndex|
+
+    selectedProjectIndex := self selectedProjectIndexHolder value.
+    (selectedProjectIndex ? 0) == 0 ifTrue:[
         selectedProjectDefinition := nil.
     ] ifFalse:[
-        selectedProjectDefinition := self listOfMatchingProjects value at:(self selectedProjectIndexHolder value).
+        selectedProjectDefinition := self listOfMatchingProjects value at:(selectedProjectIndex).
     ].
     self hasProjectSelectedHolder value:(selectedProjectDefinition notNil).