diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index f73f684..a5b47ec 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -39,4 +39,5 @@ jobs:
       uses: actions/setup-python@v4
     - name: Build
       working-directory: ${{env.GITHUB_WORKSPACE}}
-      run: python build.py -m release -t tests/hello.c
+      shell: bash
+      run: ./build.py -m release -t tests/hello.c