diff --git a/cluster/gce/container-linux/configure-helper.sh b/cluster/gce/container-linux/configure-helper.sh
index 1d4b5403374..30aeb9cd9a2 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 e0132d3145e..7749e097b15 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