diff --git a/pinax/teams/models.py b/pinax/teams/models.py
index 7843723..8055b5e 100644
--- a/pinax/teams/models.py
+++ b/pinax/teams/models.py
@@ -321,7 +321,7 @@ def remove(self):
 
     @property
     def invitee(self):
-        return self.user or self.invite.to_user_email
+        return self.user or self.invite.to_user_email()
 
     def __str__(self):
         return "{0} in {1}".format(self.user, self.team)