diff --git a/cluster/kubecfg.sh b/cluster/kubecfg.sh
index 225c3632351..14aca871f4e 100755
--- a/cluster/kubecfg.sh
+++ b/cluster/kubecfg.sh
@@ -26,5 +26,6 @@ if [ ! -x $CLOUDCFG ]; then
 fi
 
 detect-master > /dev/null
+export KUBERNETES_MASTER=https://${KUBE_MASTER_IP}
 
 $CLOUDCFG $@