diff --git a/progit/notify.py b/progit/notify.py
index d36556a..fe13bb8 100644
--- a/progit/notify.py
+++ b/progit/notify.py
@@ -114,7 +114,7 @@ New issue:
     )
     mail_to = set([cmt.user.emails[0].email for cmt in issue.comments])
     mail_to.add(issue.project.user.emails[0].email)
-    for prouser in issue.project.user:
+    for prouser in issue.project.users:
         if prouser.user.emails:
             mail_to.add(prouser.user.emails[0].email)