diff --git a/.github/workflows/build-windows.yml b/.github/workflows/build-windows.yml
index 3907060b11056..a83b292d37112 100644
--- a/.github/workflows/build-windows.yml
+++ b/.github/workflows/build-windows.yml
@@ -63,15 +63,10 @@ jobs:
         uses: microsoft/setup-msbuild@v1.0.2
 
       - name: Build gRPC ${{ matrix.arch }} bit ( ${{ matrix.configuration }} )
+        working-directory: ${{ github.workspace }}/grpc/build_windows_${{ matrix.arch }}
         shell: cmd
         run: |
-          cd ${{ github.workspace }}/grpc/build_windows_${{ matrix.arch}}
-          dir "C:\Program Files\Microsoft Visual Studio\2022\Professional\Common7\IDE\CommonExtensions\Microsoft\CMake\CMake\share\"
+          dir "C:\\Program Files\\Microsoft Visual Studio\\2022\\Professional\\Common7\\IDE\\CommonExtensions\\Microsoft\\CMake\\CMake\\share\\"
           msbuild.exe -maxcpucount /t:Clean,Build /m /p:Configuration=${{ matrix.configuration }} /p:Platform=${{ env.PLATFORM }} /fl /flp:logfile=build-${{ matrix.arch }}.${{ matrix.configuration }}.log;verbosity=diagnostic grpc.sln
 
-        working-directory: ${{ github.workspace }}
-        env:
-          WORKSPACE: ${{ github.workspace }}
-          MSBUILD_COMMAND: msbuild.exe
-