diff --git a/contrib/drivers/k8s_opensuse_v1/templates/kubecluster.yaml b/contrib/drivers/k8s_opensuse_v1/templates/kubecluster.yaml
index 71e0ed764d..989c43a418 100644
--- a/contrib/drivers/k8s_opensuse_v1/templates/kubecluster.yaml
+++ b/contrib/drivers/k8s_opensuse_v1/templates/kubecluster.yaml
@@ -67,7 +67,7 @@ parameters:
     default: 10.100.0.0/16
 
   flannel_network_subnetlen:
-    type: string
+    type: number
     description: size of subnet assigned to each minion
     default: 24
 
diff --git a/contrib/drivers/k8s_opensuse_v1/templates/kubemaster.yaml b/contrib/drivers/k8s_opensuse_v1/templates/kubemaster.yaml
index 4383b03485..fe327504d0 100644
--- a/contrib/drivers/k8s_opensuse_v1/templates/kubemaster.yaml
+++ b/contrib/drivers/k8s_opensuse_v1/templates/kubemaster.yaml
@@ -45,7 +45,7 @@ parameters:
     default: 10.100.0.0/16
 
   flannel_network_subnetlen:
-    type: string
+    type: number
     description: size of subnet assigned to each master
     default: 24