diff --git a/magnum/drivers/k8s_coreos_v1/templates/kubecluster.yaml b/magnum/drivers/k8s_coreos_v1/templates/kubecluster.yaml
index 0051e1251b..42d1fbc2fa 100644
--- a/magnum/drivers/k8s_coreos_v1/templates/kubecluster.yaml
+++ b/magnum/drivers/k8s_coreos_v1/templates/kubecluster.yaml
@@ -99,7 +99,7 @@ parameters:
     type: string
     description: >
       specify the backend for flannel, default udp backend
-    default: "udp"
+    default: "host-gw"
     constraints:
       - allowed_values: ["udp", "vxlan", "host-gw"]