diff --git a/v2/bootstrap.bat b/v2/bootstrap.bat
index d2f0100d1..3fa2b199d 100644
--- a/v2/bootstrap.bat
+++ b/v2/bootstrap.bat
@@ -10,7 +10,7 @@ if exist ".\engine\src\bin.ntx86\bjam.exe" del engine\src\bin.ntx86\bjam.exe
 if exist ".\engine\src\bin.ntx86_64\bjam.exe" del engine\src\bin.ntx86_64\bjam.exe
 cd engine\src
 
-call .\build.bat > ..\..\bootstrap.log
+call .\build.bat %* > ..\..\bootstrap.log
 @ECHO OFF
 cd ..\..