diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index aa78697..85f99d0 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -15,6 +15,7 @@ jobs:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
         run: |
           command -v git >/dev/null || (apt-get update -qq && apt-get install -y -qq git)
-          git clone --depth 1 --branch "$GITHUB_REF_NAME" "https://x-access-token:${GITHUB_TOKEN}@${GITHUB_SERVER_URL#https://}/${GITHUB_REPOSITORY}.git" .
+          AUTH_URL=$(echo "$GITHUB_SERVER_URL" | sed -E "s#^(https?)://#\1://x-access-token:${GITHUB_TOKEN}@#")
+          git clone --depth 1 --branch "$GITHUB_REF_NAME" "$AUTH_URL/${GITHUB_REPOSITORY}.git" .
       - run: pip install --no-cache-dir -r requirements.txt
       - run: python -m py_compile app.py