diff --git a/.gitea/workflows/release_build.yml b/.gitea/workflows/release_build.yml
index b36d783..0afdda2 100644
--- a/.gitea/workflows/release_build.yml
+++ b/.gitea/workflows/release_build.yml
@@ -35,8 +35,11 @@ jobs:
         run: |
           if [ -f Dockerargs ]; then
             echo "Dockerargs found. Checking upstream..."
-            REPO_URL=$(git config -f Dockerargs --get repo.url)
-            REPO_BRANCH=$(git config -f Dockerargs --get repo.branch || echo "main")
+            echo "Dockerargs found. Checking upstream..."
+            # Parse repo info using awk to avoid git config restrictions on underscores in keys elsewhere in the file
+            REPO_URL=$(awk -F '=' '/\[repo\]/{flag=1; next} /\[/{flag=0} flag && /^url=/{print $2}' Dockerargs | tr -d ' \r\n')
+            REPO_BRANCH=$(awk -F '=' '/\[repo\]/{flag=1; next} /\[/{flag=0} flag && /^branch=/{print $2}' Dockerargs | tr -d ' \r\n')
+            if [ -z "$REPO_BRANCH" ]; then REPO_BRANCH="main"; fi
             
             # Fetch upstream SHA
             if [ -n "$REPO_URL" ]; then