index 20ce65b..52f3c79 100644
--- a/app/models/mailer.rb
+++ b/app/models/mailer.rb
@@ -343,7 +343,8 @@ class Mailer < ActionMailer::Base

     scope = Issue.scoped(:conditions => ["#{Issue.table_name}.assigned_to_id IS NOT NULL" +
       " AND #{Project.table_name}.status = #{Project::STATUS_ACTIVE}" +
-      " AND #{Issue.table_name}.due_date <= ?", days.day.from_now.to_date]
+      " AND #{IssueStatus.table_name}.is_closed = ?" +
+      " AND #{Issue.table_name}.due_date <= ?", false, days.day.from_now.to_date]
     )
     scope = scope.scoped(:conditions => {:assigned_to_id => user_ids}) if user_ids.present?
     scope = scope.scoped(:conditions => {:project_id => project.id}) if project