diff --git a/barbican/server/cluster.yml b/barbican/server/cluster.yml
index 5b5bc5e..ed45b47 100644
--- a/barbican/server/cluster.yml
+++ b/barbican/server/cluster.yml
@@ -1,3 +1,10 @@
 classes:
 - service.barbican.server.cluster
-- system.haproxy.proxy.listen.openstack.barbican
\ No newline at end of file
+- system.haproxy.proxy.listen.openstack.barbican
+parameters:
+  _param:
+    cluster_internal_protocol: 'http'
+  barbican:
+    server:
+      identity:
+        protocol: ${_param:cluster_internal_protocol}
diff --git a/barbican/server/single.yml b/barbican/server/single.yml
index eb2b30b..aab0b18 100644
--- a/barbican/server/single.yml
+++ b/barbican/server/single.yml
@@ -1,2 +1,9 @@
 classes:
 - service.barbican.server.single
+parameters:
+  _param:
+    internal_protocol: 'http'
+  barbican:
+    server:
+      identity:
+        protocol: ${_param:internal_protocol}