diff --git a/net-config-undercloud.yaml b/net-config-undercloud.yaml
index df02833a00..af5bf029da 100644
--- a/net-config-undercloud.yaml
+++ b/net-config-undercloud.yaml
@@ -66,7 +66,7 @@ resources:
                       - get_param: ControlPlaneSubnetCidr
                 members:
                 - type: interface
-                  name: eth1
+                  name: interface_name
                   # force the MAC address of the bridge to this interface
                   primary: true
 outputs: