diff --git a/cluster/gke/util.sh b/cluster/gke/util.sh
old mode 100644
new mode 100755
index 9a1457de9ba05..24d551e508a20
--- a/cluster/gke/util.sh
+++ b/cluster/gke/util.sh
@@ -70,7 +70,7 @@ function test-build-release() {
 function verify-prereqs() {
   echo "... in verify-prereqs()" >&2
 
-  ${GCLOUD} preview --help >/dev/null 2>&1 || {
+  ${GCLOUD} preview --help >/dev/null || {
     echo "Either the GCLOUD environment variable is wrong, or the 'preview' component"
     echo "is not installed. (Fix with 'gcloud components update preview')"
   }