diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 261dd009..d8d2e852 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -48,7 +48,7 @@ jobs:
     -  name: CKAN Xloader build
        uses: docker/build-push-action@v2
        with:
-          context: ./ckan
+          context: ./ckan/chanext-xloader
           file: ./ckan/chanext-xloader/Dockerfile
           push: false
           tags: kowhai/ckan-docker-ckanext-xloader:test-build-only