diff --git a/app/models/project_services/ci/hip_chat_service.rb b/app/models/project_services/ci/hip_chat_service.rb
index 68acf71251e7f4570648513b6f451e56921b05fa..0e6e97394bc67c954e2048a1f206cf9fdcf5905e 100644
--- a/app/models/project_services/ci/hip_chat_service.rb
+++ b/app/models/project_services/ci/hip_chat_service.rb
@@ -13,7 +13,7 @@
 #
 
 module Ci
-  class HipChatService < Service
+  class HipChatService < Ci::Service
     prop_accessor :hipchat_token, :hipchat_room, :hipchat_server
     boolean_accessor :notify_only_broken_builds
     validates :hipchat_token, presence: true, if: :activated?
diff --git a/app/models/project_services/ci/mail_service.rb b/app/models/project_services/ci/mail_service.rb
index 3619a50fa96abfb6f666f3368cd7b369c1dc1a07..1bd2f33612b5cb196618c2a909e3e0b1c1ae080a 100644
--- a/app/models/project_services/ci/mail_service.rb
+++ b/app/models/project_services/ci/mail_service.rb
@@ -13,7 +13,7 @@
 #
 
 module Ci
-  class MailService < Service
+  class MailService < Ci::Service
     delegate :email_recipients, :email_recipients=,
              :email_add_pusher, :email_add_pusher=,
              :email_only_broken_builds, :email_only_broken_builds=, to: :project, prefix: false
diff --git a/app/models/project_services/ci/slack_service.rb b/app/models/project_services/ci/slack_service.rb
index c9a7f865a25542b15c3ebd4f2a54ea76ce2fdf3c..76db573dc17a52b7e5b0ab63dd58e2b09ba3ee62 100644
--- a/app/models/project_services/ci/slack_service.rb
+++ b/app/models/project_services/ci/slack_service.rb
@@ -13,7 +13,7 @@
 #
 
 module Ci
-  class SlackService < Service
+  class SlackService < Ci::Service
     prop_accessor :webhook
     boolean_accessor :notify_only_broken_builds
     validates :webhook, presence: true, if: :activated?