diff --git a/cluster/gce/config-test.sh b/cluster/gce/config-test.sh
index 316d59f2349..8cbf15a5454 100755
--- a/cluster/gce/config-test.sh
+++ b/cluster/gce/config-test.sh
@@ -58,10 +58,10 @@ ENABLE_CLUSTER_MONITORING="${KUBE_ENABLE_CLUSTER_MONITORING:-influxdb}"
 TEST_CLUSTER_LOG_LEVEL="${TEST_CLUSTER_LOG_LEVEL:---v=4}"
 
 KUBELET_TEST_ARGS="--max-pods=100 $TEST_CLUSTER_LOG_LEVEL"
-APISERVER_TEST_ARGS="TEST_CLUSTER_LOG_LEVEL"
-CONTROLLER_MANAGER_TEST_ARGS="TEST_CLUSTER_LOG_LEVEL"
-SCHEDULER_TEST_ARGS="TEST_CLUSTER_LOG_LEVEL"
-KUBEPROXY_TEST_ARGS="TEST_CLUSTER_LOG_LEVEL"
+APISERVER_TEST_ARGS="${TEST_CLUSTER_LOG_LEVEL}"
+CONTROLLER_MANAGER_TEST_ARGS="${TEST_CLUSTER_LOG_LEVEL}"
+SCHEDULER_TEST_ARGS="${TEST_CLUSTER_LOG_LEVEL}"
+KUBEPROXY_TEST_ARGS="${TEST_CLUSTER_LOG_LEVEL}"
 
 # Optional: Enable node logging.
 ENABLE_NODE_LOGGING="${KUBE_ENABLE_NODE_LOGGING:-true}"