diff --git a/docs/getting-started-guides/aws/cloudformation-template.json b/docs/getting-started-guides/aws/cloudformation-template.json
index 87eab68c9c1..510f9f155c0 100644
--- a/docs/getting-started-guides/aws/cloudformation-template.json
+++ b/docs/getting-started-guides/aws/cloudformation-template.json
@@ -247,7 +247,7 @@
           "        ExecStart=/opt/bin/kube-apiserver \\\n",
           "        --address=0.0.0.0 \\\n",
           "        --port=8080 \\\n",
-          "        --portal_net 10.244.0.0/16 \\\n",
+          "        --portal_net=10.244.0.0/16 \\\n",
           "        --etcd_servers=http://127.0.0.1:4001 \\\n",
           "        --public_address_override=$private_ipv4 \\\n",
           "        --logtostderr=true\n",