diff --git a/cluster/aws/util.sh b/cluster/aws/util.sh
old mode 100644
new mode 100755
index 08aa462cc0b..c82cc578ec3
--- a/cluster/aws/util.sh
+++ b/cluster/aws/util.sh
@@ -443,10 +443,10 @@ function create-dhcp-option-set () {
 function verify-prereqs {
   if [[ "${ENABLE_EXPERIMENTAL_API}" == "true" ]]; then
     if [[ -z "${RUNTIME_CONFIG}" ]]; then
-      RUNTIME_CONFIG="experimental/v1alpha1=true"
+      RUNTIME_CONFIG="extensions/v1beta1=true"
     else
-      # TODO: add checking if RUNTIME_CONFIG contains "experimental/v1alpha1=false" and appending "experimental/v1alpha1=true" if not.
-      if echo "${RUNTIME_CONFIG}" | grep -q -v "experimental/v1alpha1=true"; then
+      # TODO: add checking if RUNTIME_CONFIG contains "extensions/v1beta1=false" and appending "extensions/v1beta1=true" if not.
+      if echo "${RUNTIME_CONFIG}" | grep -q -v "extensions/v1beta1=true"; then
         echo "Experimental API should be turned on, but is not turned on in RUNTIME_CONFIG!"
         exit 1
       fi