diff --git a/.gitea/workflows/mirror-to-backend.yml b/.gitea/workflows/mirror-to-backend.yml
index 40c430c..48c2f73 100644
--- a/.gitea/workflows/mirror-to-backend.yml
+++ b/.gitea/workflows/mirror-to-backend.yml
@@ -15,7 +15,7 @@ jobs:
           mkdir -p ~/.ssh
           echo "${{ secrets.SUBTREE_SSH_KEY }}" > ~/.ssh/id_ed25519
           chmod 600 ~/.ssh/id_ed25519
-          ssh-keyscan 10.25.100.250 >> ~/.ssh/known_hosts
+          ssh-keyscan -p 2222 10.25.100.250 >> ~/.ssh/known_hosts
 
       - name: Clone backend monorepo
         run: |