diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c22dec7..dabd5b2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -36,7 +36,7 @@ jobs:
         if: matrix.os == 'windows-latest'
         # there is not yet an environment variable for this path from msys2/setup-msys2
         # We need this to get a gcc 11.2 that is new enough to compile the reference FMU3
-        run: echo "C:\msys64/mingw64/bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
+        run: echo "C:\msys64/mingw64/bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Prepend
           
       - uses: actions/checkout@v4
         if: matrix.os == 'ubuntu-22.04'