diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index 1f80888..0e60d6a 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -32,12 +32,15 @@
       metadata:
         host: ${_param:single_address}
         port: 8000
+        protocol: http
       waitcondition:
         host: ${_param:single_address}
         port: 8000
+        protocol: http
       watch:
         host: ${_param:single_address}
         port: 8003
+        protocol: http
       identity:
         engine: keystone
         host: ${_param:single_address}