diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index d6d4056a..e99c3503 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -135,4 +135,4 @@ jobs:
     - name: Enable qemu
       run: docker run --privileged --rm tonistiigi/binfmt --install s390x
     - name: Build and run on emulated architecture
-      run: docker run --rm -v .:/janet --platform linux/s390x alpine bash -c "apk update && apk add --no-interactive git build-base && cd /janet && make -j3 && make test"
+      run: docker run --rm -v .:/janet --platform linux/s390x alpine sh -c "apk update && apk add --no-interactive git build-base && cd /janet && make -j3 && make test"