diff --git a/tests/pillar/cluster40.sls b/tests/pillar/cluster40.sls
index f8d0583..5bc81b5 100644
--- a/tests/pillar/cluster40.sls
+++ b/tests/pillar/cluster40.sls
@@ -197,6 +197,7 @@
     identity:
       engine: keystone
       version: '2.0'
+      protocol: http
       host: 127.0.0.1
       port: 35357
       user: admin