diff --git a/voting/models.py b/voting/models.py
index cebbd15..396c25a 100644
--- a/voting/models.py
+++ b/voting/models.py
@@ -6,8 +6,8 @@
 from voting.managers import VoteManager
 
 SCORES = (
-    (u'+1', +1),
-    (u'-1', -1),
+    (+1, +1),
+    (-1, -1),
 )
 
 class Vote(models.Model):