diff --git a/progit/notify.py b/progit/notify.py
index e43d295..9d44947 100644
--- a/progit/notify.py
+++ b/progit/notify.py
@@ -81,6 +81,8 @@ New comment:
     )
     mail_to = set([cmt.user.emails[0].email for cmt in comment.issue.comments])
     mail_to.add(comment.issue.project.user.emails[0].email)
+    if issue.assignee:
+        mail_to.add(comment.issue.assignee.emails[0].email)
     send_email(
         text,
         'Update to issue `%s`' % comment.issue.title,
@@ -115,6 +117,8 @@ New issue:
     )
     mail_to = set([cmt.user.emails[0].email for cmt in issue.comments])
     mail_to.add(issue.project.user.emails[0].email)
+    if issue.assignee:
+        mail_to.add(issue.assignee.emails[0].email)
     for prouser in issue.project.users:
         if prouser.user.emails:
             mail_to.add(prouser.user.emails[0].email)