diff --git a/cluster/gce/container-linux/configure-helper.sh b/cluster/gce/container-linux/configure-helper.sh
index 7284e950951..948c20baf4d 100755
--- a/cluster/gce/container-linux/configure-helper.sh
+++ b/cluster/gce/container-linux/configure-helper.sh
@@ -239,7 +239,7 @@ EOF
   if [[ -n "${SECONDARY_RANGE_NAME:-}" ]]; then
     use_cloud_config="true"
     cat <<EOF >> /etc/gce.conf
-secondary-range-name = ${SECONDARY-RANGE-NAME}
+secondary-range-name = ${SECONDARY_RANGE_NAME}
 EOF
   fi
   if [[ "${use_cloud_config}" != "true" ]]; then
diff --git a/cluster/gce/gci/configure-helper.sh b/cluster/gce/gci/configure-helper.sh
index faaba245e5d..defad8ddd9e 100644
--- a/cluster/gce/gci/configure-helper.sh
+++ b/cluster/gce/gci/configure-helper.sh
@@ -405,7 +405,7 @@ EOF
   if [[ -n "${SECONDARY_RANGE_NAME:-}" ]]; then
     use_cloud_config="true"
     cat <<EOF >> /etc/gce.conf
-secondary-range-name = ${SECONDARY-RANGE-NAME}
+secondary-range-name = ${SECONDARY_RANGE_NAME}
 EOF
   fi
   if [[ "${use_cloud_config}" != "true" ]]; then