diff --git a/playbooks/groups/overcloud-config.yml b/playbooks/groups/overcloud-config.yml
index 97c74a9238..56de7398e7 100644
--- a/playbooks/groups/overcloud-config.yml
+++ b/playbooks/groups/overcloud-config.yml
@@ -104,7 +104,7 @@
     os_network:
       cloud: "{{ os_cloud }}"
       name: external-test
-      #provider_network_type: flat
+      provider_network_type: flat
       #provider_physical_network: datacenter
       external: true
       shared: true