diff --git a/contrib/init/systemd/kube-apiserver.service b/contrib/init/systemd/kube-apiserver.service
index eef9fbf96fa..7d947fe9cae 100644
--- a/contrib/init/systemd/kube-apiserver.service
+++ b/contrib/init/systemd/kube-apiserver.service
@@ -7,15 +7,15 @@ EnvironmentFile=-/etc/kubernetes/config
 EnvironmentFile=-/etc/kubernetes/apiserver
 User=kube
 ExecStart=/usr/bin/kube-apiserver \
-	    ${KUBE_LOGTOSTDERR} \
-	    ${KUBE_LOG_LEVEL} \
-	    ${KUBE_ETCD_SERVERS} \
-	    ${KUBE_API_ADDRESS} \
-	    ${KUBE_API_PORT} \
-	    ${KUBELET_PORT} \
-	    ${KUBE_ALLOW_PRIV} \
-	    ${KUBE_SERVICE_ADDRESSES} \
-	    ${KUBE_API_ARGS}
+	    $KUBE_LOGTOSTDERR \
+	    $KUBE_LOG_LEVEL \
+	    $KUBE_ETCD_SERVERS \
+	    $KUBE_API_ADDRESS \
+	    $KUBE_API_PORT \
+	    $KUBELET_PORT \
+	    $KUBE_ALLOW_PRIV \
+	    $KUBE_SERVICE_ADDRESSES \
+	    $KUBE_API_ARGS
 Restart=on-failure
 
 [Install]
diff --git a/contrib/init/systemd/kube-controller-manager.service b/contrib/init/systemd/kube-controller-manager.service
index 14d5ee5825d..872115c4f97 100644
--- a/contrib/init/systemd/kube-controller-manager.service
+++ b/contrib/init/systemd/kube-controller-manager.service
@@ -8,11 +8,11 @@ EnvironmentFile=-/etc/kubernetes/apiserver
 EnvironmentFile=-/etc/kubernetes/controller-manager
 User=kube
 ExecStart=/usr/bin/kube-controller-manager \
-	    ${KUBE_LOGTOSTDERR} \
-	    ${KUBE_LOG_LEVEL} \
-	    ${KUBELET_ADDRESSES} \
-	    ${KUBE_MASTER} \
-	    ${KUBE_CONTROLLER_MANAGER_ARGS}
+	    $KUBE_LOGTOSTDERR \
+	    $KUBE_LOG_LEVEL \
+	    $KUBELET_ADDRESSES \
+	    $KUBE_MASTER \
+	    $KUBE_CONTROLLER_MANAGER_ARGS
 Restart=on-failure
 
 [Install]
diff --git a/contrib/init/systemd/kube-proxy.service b/contrib/init/systemd/kube-proxy.service
index fcfc2e276c0..921f4ceee33 100644
--- a/contrib/init/systemd/kube-proxy.service
+++ b/contrib/init/systemd/kube-proxy.service
@@ -6,10 +6,10 @@ Documentation=https://github.com/GoogleCloudPlatform/kubernetes
 EnvironmentFile=-/etc/kubernetes/config
 EnvironmentFile=-/etc/kubernetes/proxy
 ExecStart=/usr/bin/kube-proxy \
-	    ${KUBE_LOGTOSTDERR} \
-	    ${KUBE_LOG_LEVEL} \
-	    ${KUBE_ETCD_SERVERS} \
-	    ${KUBE_PROXY_ARGS}
+	    $KUBE_LOGTOSTDERR \
+	    $KUBE_LOG_LEVEL \
+	    $KUBE_ETCD_SERVERS \
+	    $KUBE_PROXY_ARGS
 Restart=on-failure
 
 [Install]
diff --git a/contrib/init/systemd/kube-scheduler.service b/contrib/init/systemd/kube-scheduler.service
index 7ca88417e8f..f04666ebf7f 100644
--- a/contrib/init/systemd/kube-scheduler.service
+++ b/contrib/init/systemd/kube-scheduler.service
@@ -8,10 +8,10 @@ EnvironmentFile=-/etc/kubernetes/apiserver
 EnvironmentFile=-/etc/kubernetes/scheduler
 User=kube
 ExecStart=/usr/bin/kube-scheduler \
-	    ${KUBE_LOGTOSTDERR} \
-	    ${KUBE_LOG_LEVEL} \
-	    ${KUBE_MASTER} \
-	    ${KUBE_SCHEDULER_ARGS}
+	    $KUBE_LOGTOSTDERR \
+	    $KUBE_LOG_LEVEL \
+	    $KUBE_MASTER \
+	    $KUBE_SCHEDULER_ARGS
 Restart=on-failure
 
 [Install]
diff --git a/contrib/init/systemd/kubelet.service b/contrib/init/systemd/kubelet.service
index 973db5b608e..9c43f50ef1c 100644
--- a/contrib/init/systemd/kubelet.service
+++ b/contrib/init/systemd/kubelet.service
@@ -9,14 +9,14 @@ WorkingDirectory=/var/lib/kubelet
 EnvironmentFile=-/etc/kubernetes/config
 EnvironmentFile=-/etc/kubernetes/kubelet
 ExecStart=/usr/bin/kubelet \
-	    ${KUBE_LOGTOSTDERR} \
-	    ${KUBE_LOG_LEVEL} \
-	    ${KUBE_ETCD_SERVERS} \
-	    ${KUBELET_ADDRESS} \
-	    ${KUBELET_PORT} \
-	    ${KUBELET_HOSTNAME} \
-	    ${KUBE_ALLOW_PRIV} \
-	    ${KUBELET_ARGS}
+	    $KUBE_LOGTOSTDERR \
+	    $KUBE_LOG_LEVEL \
+	    $KUBE_ETCD_SERVERS \
+	    $KUBELET_ADDRESS \
+	    $KUBELET_PORT \
+	    $KUBELET_HOSTNAME \
+	    $KUBE_ALLOW_PRIV \
+	    $KUBELET_ARGS
 Restart=on-failure
 
 [Install]