diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index e27c3c47..d1d2810d 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -6,6 +6,9 @@ jobs:
   build_win:
     name: Windows build
     runs-on: windows-2025
+    defaults:
+      run:
+        shell: msys2 {0}
     steps:
       - name: Checkout code
         uses: actions/checkout@master