diff --git a/tests/pillar/master_contrail.sls b/tests/pillar/master_contrail.sls
index c237389..7cf9d68 100644
--- a/tests/pillar/master_contrail.sls
+++ b/tests/pillar/master_contrail.sls
@@ -1,5 +1,6 @@
 kubernetes:
   common:
+    cluster_domain: cluster.local
     network:
       engine: opencontrail
     hyperkube: