diff --git a/jenkins/client/init.yml b/jenkins/client/init.yml
index dd136ad..8a9964f 100644
--- a/jenkins/client/init.yml
+++ b/jenkins/client/init.yml
@@ -15,6 +15,7 @@
       master:
         host: ${_param:jenkins_master_host}
         port: ${_param:jenkins_master_port}
+        proto: https
         url_prefix: ${_param:jenkins_master_url_prefix}
         username: ${_param:jenkins_client_user}
         password: ${_param:jenkins_client_password}