diff --git a/cluster/local/util.sh b/cluster/local/util.sh
index 312b7df6eb0..73eab5ed869 100755
--- a/cluster/local/util.sh
+++ b/cluster/local/util.sh
@@ -21,6 +21,6 @@ function prepare-e2e() {
 function detect-master {
   KUBE_MASTER=localhost
   KUBE_MASTER_IP=127.0.0.1
-  KUBE_MASTER_URL="http://${KUBE_MASTER_IP}:8080"
+  export KUBE_MASTER_URL="http://${KUBE_MASTER_IP}:8080"
   echo "Using master: $KUBE_MASTER (external IP: $KUBE_MASTER_IP)"
 }
diff --git a/hack/.shellcheck_failures b/hack/.shellcheck_failures
index 07f643d7a34..8bed277bd99 100644
--- a/hack/.shellcheck_failures
+++ b/hack/.shellcheck_failures
@@ -43,7 +43,6 @@
 ./cluster/kubemark/gce/config-default.sh
 ./cluster/kubemark/iks/config-default.sh
 ./cluster/kubemark/util.sh
-./cluster/local/util.sh
 ./cluster/log-dump/log-dump.sh
 ./cluster/pre-existing/util.sh
 ./cluster/restore-from-backup.sh