diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c1f59b7..da7e2b5 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -52,7 +52,7 @@ jobs:
           docker run --rm \
             -u $(id -u):$(id -g) \
             -v "$PWD":/app \
-            -v "/home/github-runner/permanent-refs":/app/csharp_mod/refs \
+            -v "/home/github-runner/permanent-refs":/app/csharp_mod/ref \
             -e HOME=/tmp \
             slang-builder \
             ./build.sh