set _args=%*
if "%~1"=="-?" set _args=-help
+if "%~1"=="/?" set _args=-help
-powershell -ExecutionPolicy ByPass -NoProfile -Command "%~dp0eng\build.ps1" %_args%
+powershell -ExecutionPolicy ByPass -NoProfile -Command "& '%~dp0eng\build.ps1'" %_args%
exit /b %ERRORLEVEL%