--- a/predicates.py	Tue Apr 02 15:11:41 2013 +0200
+++ b/predicates.py	Wed Apr 03 11:09:50 2013 +0200
@@ -479,11 +479,8 @@
 
     def __call__(self, cls, req, **kwargs):
         for regid in self.regids:
-            try:
-                req.vreg[self.registry].select(regid, req, **kwargs)
+            if req.vreg[self.registry].select_or_none(regid, req, **kwargs) is not None:
                 return self.selectable_score
-            except NoSelectableObject:
-                continue
         return 0