diff --git a/app/jobs/regular/automatic_group_membership.rb b/app/jobs/regular/automatic_group_membership.rb
index 0b4488371ae..ae524685cfb 100644
--- a/app/jobs/regular/automatic_group_membership.rb
+++ b/app/jobs/regular/automatic_group_membership.rb
@@ -14,7 +14,7 @@ module Jobs
       domains = group.automatic_membership_email_domains.gsub('.', '\.')
 
       User.where("email ~* '@(#{domains})$'").find_each do |user|
-        group.add(user) rescue ActiveRecord::RecordNotUnique
+        group.add(user) rescue ActiveRecord::RecordNotUnique, PG::UniqueViolation
       end
     end