diff --git a/cluster/gce/coreos/helper.sh b/cluster/gce/coreos/helper.sh
index 7effed9da06..d4e9ad60e2b 100755
--- a/cluster/gce/coreos/helper.sh
+++ b/cluster/gce/coreos/helper.sh
@@ -65,31 +65,31 @@ EOF
   else
     cat >>$file <<EOF
 KUBERNETES_MASTER: "false"
-ENV_TIMESTAMP=$(yaml-quote $(date -u +%Y-%m-%dT%T%z))
-INSTANCE_PREFIX=$(yaml-quote ${INSTANCE_PREFIX})
-NODE_INSTANCE_PREFIX=$(yaml-quote ${NODE_INSTANCE_PREFIX})
-SERVER_BINARY_TAR_URL=$(yaml-quote ${SERVER_BINARY_TAR_URL})
-SERVICE_CLUSTER_IP_RANGE=$(yaml-quote ${SERVICE_CLUSTER_IP_RANGE})
-ENABLE_CLUSTER_MONITORING=$(yaml-quote ${ENABLE_CLUSTER_MONITORING:-none})
-ENABLE_CLUSTER_LOGGING=$(yaml-quote ${ENABLE_CLUSTER_LOGGING:-false})
-ENABLE_CLUSTER_UI=$(yaml-quote ${ENABLE_CLUSTER_UI:-false})
-ENABLE_NODE_LOGGING=$(yaml-quote ${ENABLE_NODE_LOGGING:-false})
-LOGGING_DESTINATION=$(yaml-quote ${LOGGING_DESTINATION:-})
-ELASTICSEARCH_LOGGING_REPLICAS=$(yaml-quote ${ELASTICSEARCH_LOGGING_REPLICAS:-})
-ENABLE_CLUSTER_DNS=$(yaml-quote ${ENABLE_CLUSTER_DNS:-false})
-DNS_REPLICAS=$(yaml-quote ${DNS_REPLICAS:-})
-DNS_SERVER_IP=$(yaml-quote ${DNS_SERVER_IP:-})
-DNS_DOMAIN=$(yaml-quote ${DNS_DOMAIN:-})
-KUBELET_TOKEN=$(yaml-quote ${KUBELET_TOKEN:-})
-KUBE_PROXY_TOKEN=$(yaml-quote ${KUBE_PROXY_TOKEN:-})
-ADMISSION_CONTROL=$(yaml-quote ${ADMISSION_CONTROL:-})
-MASTER_IP_RANGE=$(yaml-quote ${MASTER_IP_RANGE})
-KUBERNETES_MASTER_NAME=$(yaml-quote ${MASTER_NAME})
-ZONE=$(yaml-quote ${ZONE})
-EXTRA_DOCKER_OPTS=$(yaml-quote ${EXTRA_DOCKER_OPTS:-})
-PROJECT_ID=$(yaml-quote ${PROJECT})
-KUBERNETES_CONTAINER_RUNTIME=$(yaml-quote ${CONTAINER_RUNTIME})
-RKT_VERSION=$(yaml-quote ${RKT_VERSION})
+ENV_TIMESTAMP: $(yaml-quote $(date -u +%Y-%m-%dT%T%z))
+INSTANCE_PREFIX: $(yaml-quote ${INSTANCE_PREFIX})
+NODE_INSTANCE_PREFIX: $(yaml-quote ${NODE_INSTANCE_PREFIX})
+SERVER_BINARY_TAR_URL: $(yaml-quote ${SERVER_BINARY_TAR_URL})
+SERVICE_CLUSTER_IP_RANGE: $(yaml-quote ${SERVICE_CLUSTER_IP_RANGE})
+ENABLE_CLUSTER_MONITORING: $(yaml-quote ${ENABLE_CLUSTER_MONITORING:-none})
+ENABLE_CLUSTER_LOGGING: $(yaml-quote ${ENABLE_CLUSTER_LOGGING:-false})
+ENABLE_CLUSTER_UI: $(yaml-quote ${ENABLE_CLUSTER_UI:-false})
+ENABLE_NODE_LOGGING: $(yaml-quote ${ENABLE_NODE_LOGGING:-false})
+LOGGING_DESTINATION: $(yaml-quote ${LOGGING_DESTINATION:-})
+ELASTICSEARCH_LOGGING_REPLICAS: $(yaml-quote ${ELASTICSEARCH_LOGGING_REPLICAS:-})
+ENABLE_CLUSTER_DNS: $(yaml-quote ${ENABLE_CLUSTER_DNS:-false})
+DNS_REPLICAS: $(yaml-quote ${DNS_REPLICAS:-})
+DNS_SERVER_IP: $(yaml-quote ${DNS_SERVER_IP:-})
+DNS_DOMAIN: $(yaml-quote ${DNS_DOMAIN:-})
+KUBELET_TOKEN: $(yaml-quote ${KUBELET_TOKEN:-})
+KUBE_PROXY_TOKEN: $(yaml-quote ${KUBE_PROXY_TOKEN:-})
+ADMISSION_CONTROL: $(yaml-quote ${ADMISSION_CONTROL:-})
+MASTER_IP_RANGE: $(yaml-quote ${MASTER_IP_RANGE})
+KUBERNETES_MASTER_NAME: $(yaml-quote ${MASTER_NAME})
+ZONE: $(yaml-quote ${ZONE})
+EXTRA_DOCKER_OPTS: $(yaml-quote ${EXTRA_DOCKER_OPTS:-})
+PROJECT_ID: $(yaml-quote ${PROJECT})
+KUBERNETES_CONTAINER_RUNTIME: $(yaml-quote ${CONTAINER_RUNTIME})
+RKT_VERSION: $(yaml-quote ${RKT_VERSION})
 CA_CERT: $(yaml-quote ${CA_CERT_BASE64})
 KUBELET_CERT: $(yaml-quote ${KUBELET_CERT_BASE64:-})
 KUBELET_KEY: $(yaml-quote ${KUBELET_KEY_BASE64:-})