diff --git a/roles/kube-master/tasks/main.yml b/roles/kube-master/tasks/main.yml
index 85acebf..887fc46 100644
--- a/roles/kube-master/tasks/main.yml
+++ b/roles/kube-master/tasks/main.yml
@@ -57,6 +57,7 @@
       - init
       - --pod-network-cidr=10.240.0.0/16 # .3. 
       - --apiserver-advertise-address=192.168.1.50
+      - --service-cidr=10.95.0.0/12
     creates: /etc/kubernetes/admin.conf