diff --git a/.github/workflows/dev-nightly-tests.yml b/.github/workflows/dev-nightly-tests.yml
index e8e038c7..0fd34ee6 100644
--- a/.github/workflows/dev-nightly-tests.yml
+++ b/.github/workflows/dev-nightly-tests.yml
@@ -53,8 +53,8 @@ jobs:
         run: |
           call "C:\Program Files (x86)\Microsoft Visual Studio\Installer\vswhere.exe" -latest -products * -requires Microsoft.Component.MSBuild -find MSBuild\**\Bin\MSBuild.exe > msbuild_path.txt
           set /p MSBUILD_PATH=<msbuild_path.txt
-          echo VCVARSALL="%MSBUILD_PATH%\..\..\..\..\VC\Auxiliary\Build\vcvarsall.bat" >> $GITHUB_ENV
-          echo PYTHON="python" >> $GITHUB_ENV
+          echo VCVARSALL="%MSBUILD_PATH%\..\..\..\..\VC\Auxiliary\Build\vcvarsall.bat" >> %GITHUB_ENV%
+          echo PYTHON=python >> %GITHUB_ENV%
 
       - name: Build dist assets (Linux)
         if: runner.os == 'Linux'