diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
index 6725b37..1f5f100 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/windows.yml
@@ -34,8 +34,8 @@ jobs:
       - name: test
         run: |
           cd build
-          tree bin/Debug
-          tree x64/Debug
+          tree bin\Debug
+          tree x64\Debug
           dir Debug
           Debug/GreeterTests.exe -s
           ctest --build-config Debug --verbose