diff --git a/roles/kube-master/tasks/patch_netconf.py b/roles/kube-master/tasks/patch_netconf.py
index 57451e0..23ef06f 100644
--- a/roles/kube-master/tasks/patch_netconf.py
+++ b/roles/kube-master/tasks/patch_netconf.py
@@ -10,7 +10,7 @@ with open("/tmp/kube-flannel.yml", "r") as f:
 for doc in docs:
     if doc.get("kind") == "ConfigMap" and doc.get("metadata", {}).get("name") == "kube-flannel-cfg":
         doc["data"]["net-conf.json"] = '''{
-  "Network": "192.168.2.0/16",
+  "Network": "192.168.2.0/24",
   "Backend": {
     "Type": "vxlan"
   },