diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 9be099c..04857ce 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -27,6 +27,17 @@ jobs:
           chmod 600 ~/.ssh/deploy_key
           ssh-keyscan -H ${{ secrets.SERVER_HOST }} >> ~/.ssh/known_hosts
 
+      # 2.5 Debug SSH
+      - name: Debug SSH Connection
+        run: |
+          echo "=== Key file info ==="
+          ls -la ~/.ssh/deploy_key
+          head -1 ~/.ssh/deploy_key
+          tail -1 ~/.ssh/deploy_key
+          
+          echo "=== Testing SSH ==="
+          ssh -vvv -i ~/.ssh/deploy_key -o StrictHostKeyChecking=no ${{ secrets.SERVER_USER }}@${{ secrets.SERVER_HOST }} "echo SUCCESS" 2>&1 | head -100
+
       # 3. Dateien zum Server kopieren
       - name: Deploy files to server
         run: |