diff --git a/stackrc b/stackrc
index 0d8f059c1b..abedb001d1 100644
--- a/stackrc
+++ b/stackrc
@@ -49,9 +49,9 @@ if ! isset ENABLED_SERVICES ; then
     # Keystone - nothing works without keystone
     ENABLED_SERVICES=key
     # Nova - services to support libvirt based openstack clouds
-    ENABLED_SERVICES=,n-api,n-cpu,n-net,n-cond,n-sch,n-novnc
+    ENABLED_SERVICES+=,n-api,n-cpu,n-net,n-cond,n-sch,n-novnc
     # Glance services needed for Nova
-    ENABLED_SERVICES=,g-api,g-reg
+    ENABLED_SERVICES+=,g-api,g-reg
     # Cinder
     ENABLED_SERVICES+=,c-sch,c-api,c-vol
     # Dashboard