diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index d6787c130..523563420 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -137,7 +137,8 @@ jobs:
         ctest --test-dir build -C Debug --output-on-failure
       shell: cmd
     - name: diagnostic
-      run: 'dir /s/w/o/p'
+      run: ls -R
+      shell: bash
     - name: Upload artifact
       uses: actions/upload-artifact@v4
       with: