diff --git a/.github/workflows/backend-ci.yml b/.github/workflows/backend-ci.yml
index 7f1bba1..021effc 100644
--- a/.github/workflows/backend-ci.yml
+++ b/.github/workflows/backend-ci.yml
@@ -31,6 +31,8 @@ jobs:
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
 
       - name: Set up Python 3.11
         uses: actions/setup-python@v5
@@ -47,6 +49,7 @@ jobs:
 
       - name: Run pylint on backend
         run: |
+          git fetch origin main
           changed_files=$(git diff --name-only origin/main...HEAD | grep '\.py$' || true)
           if [ -n "$changed_files" ]; then
             pylint $changed_files --exit-zero | tee pylint.log
@@ -60,7 +63,7 @@ jobs:
 
       - name: Start backend server (background)
         run: |
-          uvicorn main:app --host 0.0.0.0 --port 8000 &
+          uvicorn main:app --host 0.0.0.0 --port 8000 || exit 1 &
           sleep 5  # Wait for server to start
 
       - name: Run pytest on backend (HTTP API tests)