diff --git a/docker/osm-krm-functions/scripts/library/krm-functions.rc b/docker/osm-krm-functions/scripts/library/krm-functions.rc
index 07a47f8..924e13e 100644
--- a/docker/osm-krm-functions/scripts/library/krm-functions.rc
+++ b/docker/osm-krm-functions/scripts/library/krm-functions.rc
@@ -404,7 +404,7 @@
 # Generate bootstrap manifests for new cluster from the management cluster
 function generator_bootstrap_new_cluster() {
   local CLUSTER_NAME="$1"
-  local CLUSTER_KUSTOMIZATION_NAME="${2:$(safe_name ${CLUSTER_NAME})}"
+  local CLUSTER_KUSTOMIZATION_NAME="${2:-$(safe_name ${CLUSTER_NAME})}"
   local CLUSTER_AGE_SECRET_NAME="${3:-$(safe_name "sops-age-${CLUSTER_KUSTOMIZATION_NAME}")}"
   local SW_CATALOGS_REPO_DIR="${4:-"${SW_CATALOGS_REPO_DIR}"}"