Index: trunk/autoquest-core-events/src/main/java/de/ugoe/cs/autoquest/eventcore/gui/ValueSelection.java
===================================================================
--- trunk/autoquest-core-events/src/main/java/de/ugoe/cs/autoquest/eventcore/gui/ValueSelection.java	(revision 1385)
+++ trunk/autoquest-core-events/src/main/java/de/ugoe/cs/autoquest/eventcore/gui/ValueSelection.java	(revision 1388)
@@ -135,4 +135,7 @@
     @Override
     public int hashCode() {
+    	if( selectedValue==null ) {
+    		return 13;
+    	}
         return selectedValue.hashCode();
     }