diff --git a/metadata/service/master/single.yml b/metadata/service/master/single.yml
index 549d004..eb91c01 100644
--- a/metadata/service/master/single.yml
+++ b/metadata/service/master/single.yml
@@ -1,5 +1,7 @@
 applications:
 - jenkins
+classes:
+- service.jenkins.support
 parameters:
   jenkins:
     master:
@@ -26,11 +28,9 @@
           api_token: ${_param:jenkins_admin_token}
           password: ${_param:jenkins_admin_password}
           password_hash: ${_param:jenkins_admin_password_hash}
-          email: root@dmain.com
+          email: root@domain.com
     job_builder:
       enabled: true
-      source: git
-      branch: master
       config:
         source: git
         address: ${_param:job_builder_config_address}