diff --git a/cluster/gce/util.sh b/cluster/gce/util.sh
index 508e1b13b6f..1b1bf21c2e3 100755
--- a/cluster/gce/util.sh
+++ b/cluster/gce/util.sh
@@ -141,6 +141,7 @@ function upload-server-tars() {
 # Vars set:
 #   KUBE_MINION_IP_ADDRESS (array)
 function detect-minions () {
+  detect-project
   KUBE_MINION_IP_ADDRESSES=()
   for (( i=0; i<${#MINION_NAMES[@]}; i++)); do
     local minion_ip=$(gcloud compute instances describe --project "${PROJECT}" --zone "${ZONE}" \