diff --git a/stack.sh b/stack.sh
index 3fa025f939..1a2257c278 100755
--- a/stack.sh
+++ b/stack.sh
@@ -1080,10 +1080,10 @@ if is_service_enabled nova; then
         echo_summary "Using VMware vCenter driver"
         iniset $NOVA_CONF DEFAULT compute_driver "vmwareapi.VMwareVCDriver"
         VMWAREAPI_USER=${VMWAREAPI_USER:-"root"}
-        iniset $NOVA_CONF DEFAULT vmwareapi_host_ip "$VMWAREAPI_IP"
-        iniset $NOVA_CONF DEFAULT vmwareapi_host_username "$VMWAREAPI_USER"
-        iniset $NOVA_CONF DEFAULT vmwareapi_host_password "$VMWAREAPI_PASSWORD"
-        iniset $NOVA_CONF DEFAULT vmwareapi_cluster_name "$VMWAREAPI_CLUSTER"
+        iniset $NOVA_CONF vmware host_ip "$VMWAREAPI_IP"
+        iniset $NOVA_CONF vmware host_username "$VMWAREAPI_USER"
+        iniset $NOVA_CONF vmware host_password "$VMWAREAPI_PASSWORD"
+        iniset $NOVA_CONF vmware cluster_name "$VMWAREAPI_CLUSTER"
         if is_service_enabled neutron; then
             iniset $NOVA_CONF vmware integration_bridge $OVS_BRIDGE
         fi