diff --git a/objets.py b/objets.py
index fcb5fb3..973d62f 100644
--- a/objets.py
+++ b/objets.py
@@ -452,7 +452,7 @@ class proprio(CransLdapObject):
         
     def sursis_carte(self):
         for h in self['historique'][::-1]:
-            x = re.match("(.*),.* : .*(paiement\+%s|inscription).*" % (config.ann_scol, h.value))
+            x = re.match("(.*),.* : .*(paiement\+%s|inscription).*" % (config.ann_scol,), h.value)
             if x != None:
                 return ((time.time()-time.mktime(time.strptime(x.group(1),'%d/%m/%Y %H:%M'))) <= config.sursis_carte)
         return False