diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 588a72c2d..35fdf0a6e 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -136,8 +136,8 @@ jobs:
     - name: Setup release mode parameters (for deploy)
       #if: ${{ inputs.deploymode == 'release' }}
       run: |
-        echo "BUILD_MODE=release" >> $GITHUB_ENV
-        echo "BUILD_FLAGS=" >> $GITHUB_ENV
+        echo "BUILD_MODE=release" | Out-File -FilePath $Env:GITHUB_ENV -Encoding utf8 -Append
+        echo "BUILD_FLAGS=" | Out-File -FilePath $Env:GITHUB_ENV -Encoding utf8 -Append
         echo "Build mode is release"
 
     - name: Setup version for experimental