diff --git a/.gitea/workflows/deploy-staging.yml b/.gitea/workflows/deploy-staging.yml
index 2e2f5c1..b6a03b4 100644
--- a/.gitea/workflows/deploy-staging.yml
+++ b/.gitea/workflows/deploy-staging.yml
@@ -12,9 +12,10 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Build & Save Image
-        env:
-          IMAGE: ${{ secrets.IMAGE_NAME }}
         run: |
+          IMAGE="${{ secrets.IMAGE_NAME }}"
+          if [ -z "$IMAGE" ]; then IMAGE="ttmt-frontend"; fi
+          IMAGE=$(echo "$IMAGE" | tr '[:upper:]' '[:lower:]')
           docker build --build-arg NODE_VERSION=22.14.0 -t $IMAGE:staging-${{ github.sha }} .
           docker save -o /tmp/ttmt-frontend.tar $IMAGE:staging-${{ github.sha }}
 
@@ -36,7 +37,9 @@ jobs:
           key: ${{ secrets.SSH_PRIVATE_KEY }}
           port: ${{ secrets.SSH_PORT }}
           script: |
-            IMAGE=${{ secrets.IMAGE_NAME }}
+            IMAGE="${{ secrets.IMAGE_NAME }}"
+            if [ -z "$IMAGE" ]; then IMAGE="ttmt-frontend"; fi
+            IMAGE=$(echo "$IMAGE" | tr '[:upper:]' '[:lower:]')
             COMPOSE_FILE=/home/compmanage/docker-compose.yml
             OVERRIDE_FILE=/tmp/ttmt-frontend.override.yml
             docker load -i /tmp/ttmt-frontend.tar