diff --git a/action.yaml b/action.yaml
index 0fe3cdb..763ad98 100644
--- a/action.yaml
+++ b/action.yaml
@@ -12,4 +12,4 @@ runs:
   using: composite
   steps:
     - name: k8sdeploy
-      run: ${{ gitea.action_path }}/k8sdeploy.sh
+      run: ${{ gitea.action_path }}/entrypoint.sh
diff --git a/k8sdeploy.sh b/entrypoint.sh
similarity index 85%
rename from k8sdeploy.sh
rename to entrypoint.sh
index 2f7a3d6..f04b921 100755
--- a/k8sdeploy.sh
+++ b/entrypoint.sh
@@ -6,7 +6,7 @@ set -a
 set +a
 
 REGISTRY="${IMAGEAPP%%/*}"
-export K8S_NS="${GITHUB_REPOSITORY#*/}-${GITHUB_REF_NAME}"
+export K8S_NS; K8S_NS="$(tr '[:upper:]' '[:lower:]' <<< "${GITHUB_REPOSITORY#*/}-$GITHUB_REF_NAME" | tr -c '[:lower:]-' -)"
 
 mkdir -p "$HOME/.kube/"
 echo "$INPUT_KUBECONFIG" > "$HOME/.kube/config"