diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index c4455d2..3505723 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -20,8 +20,8 @@ jobs:
           call "C:\Program Files (x86)\Microsoft Visual Studio\2019\Enterprise\VC\Auxiliary\Build\vcvars64.bat"
           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 "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