diff --git a/.gitea/workflows/mirror-to-backend.yml b/.gitea/workflows/mirror-to-backend.yml
index 48c2f73..d3fa83a 100644
--- a/.gitea/workflows/mirror-to-backend.yml
+++ b/.gitea/workflows/mirror-to-backend.yml
@@ -13,7 +13,7 @@ jobs:
       - name: Setup SSH
         run: |
           mkdir -p ~/.ssh
-          echo "${{ secrets.SUBTREE_SSH_KEY }}" > ~/.ssh/id_ed25519
+          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
           chmod 600 ~/.ssh/id_ed25519
           ssh-keyscan -p 2222 10.25.100.250 >> ~/.ssh/known_hosts