diff --git a/attributs.py b/attributs.py
index 59302b6..d39f6bb 100644
--- a/attributs.py
+++ b/attributs.py
@@ -362,6 +362,9 @@ class contourneGreylist(boolAttr):
     legend = u"Contourner la greylist"
     category = 'mail'
     can_modify = [soi]
+    
+    def __unicode__(self):
+        return u"OK"
 
 class etudes(Attr):
     singlevalue = False