diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 252318c..6dea7d4 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -18,21 +18,7 @@ jobs:
         shell: cmd
         run: |
           call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
-          echo #!/bin/bash > vars.sh
-          FOR /F "delims==" %%G IN ('where cl.exe') DO SET _cl_path=%%G >> vars.sh
-          echo CL_EXEC="%_cl_path%" >> vars.sh
-          echo WSL_CL_EXEC=`wslpath -u "$CL_EXEC"` >> vars.sh
-          echo WSL_CL_PATH=`dirname "$WSL_CL_EXEC"` >> vars.sh
-          echo export PATH=$PATH:$WSL_CL_PATH >> vars.sh
-          echo export DevEnvDir="%DevEnvDir% " >> vars.sh
-          echo export INCLUDE="%INCLUDE% " >> vars.sh
-          rem echo export LIB="%LIB% " >> vars.sh
-          rem echo export LIBPATH="%LIBPATH% " >> vars.sh
-          rem echo export VCINSTALLDIR="%VCINSTALLDIR% " >> vars.sh
-          rem echo export VSINSTALLDIR="%VSINSTALLDIR% " >> vars.sh
-          rem echo export VisualStudioVersion="%VisualStudioVersion% " >> vars.sh
-          rem echo export WSLcross=true >> vars.sh
-          rem echo export WSLENV=$WSLENV:INCLUDE/w:LIB/w:LIBPATH/w >> vars.sh
+          .github\workflows\SetupWSLcross.bat > vars.sh
       - name: Set up WSL
         uses: Vampire/setup-wsl@v1.2.0
         with:
@@ -41,8 +27,10 @@ jobs:
       - name: Build FFmpeg
         shell: wsl-bash {0}
         run: |
-          dos2unix vars.sh ; chmod +x vars.sh ; ./vars.sh
+          dos2unix vars.sh
           cat vars.sh
+          chmod +x vars.sh
+          ./vars.sh
           set
           #echo $ABC
           #echo $PATH