diff --git a/app/models/project.rb b/app/models/project.rb
index 8cf093be4c3bb8ef539783e7597f11a9f4e6d3b8..d95645bc25579c2bf2f83a9868b671c397dcc93b 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -72,6 +72,7 @@ class Project < ActiveRecord::Base
   has_one :drone_ci_service, dependent: :destroy
   has_one :emails_on_push_service, dependent: :destroy
   has_one :builds_email_service, dependent: :destroy
+  has_one :pipelines_email_service, dependent: :destroy
   has_one :irker_service, dependent: :destroy
   has_one :pivotaltracker_service, dependent: :destroy
   has_one :hipchat_service, dependent: :destroy