diff --git a/cluster/gce/util.sh b/cluster/gce/util.sh
index 4ff33a801aa..e5925ba5eaf 100755
--- a/cluster/gce/util.sh
+++ b/cluster/gce/util.sh
@@ -336,7 +336,7 @@ function detect-node-names() {
   INSTANCE_GROUPS+=($(gcloud compute instance-groups managed list \
     --zones "${ZONE}" --project "${PROJECT}" \
     --regexp "${NODE_INSTANCE_PREFIX}-.+" \
-    --format='value(instanceGroup)' || true))
+    --format='value(name)' || true))
   NODE_NAMES=()
   if [[ -n "${INSTANCE_GROUPS[@]:-}" ]]; then
     for group in "${INSTANCE_GROUPS[@]}"; do