diff --git a/src/bigvim.bat b/src/bigvim.bat
index 6ba89e6..a1c9783 100644
--- a/src/bigvim.bat
+++ b/src/bigvim.bat
@@ -1,3 +1,5 @@
 :: command to build big Vim with OLE, Perl, Python, Ruby and Tcl
-nmake -f Make_mvc.mak GUI=yes OLE=yes PERL=E:\perl512 DYNAMIC_PERL=yes PERL_VER=512 PYTHON=e:\python27 DYNAMIC_PYTHON=yes PYTHON_VER=27 PYTHON3=e:\python31 DYNAMIC_PYTHON3=yes PYTHON3_VER=31 RUBY=e:\ruby191 DYNAMIC_RUBY=yes RUBY_VER=191 RUBY_VER_LONG=1.9.1 TCL=e:\tcl DYNAMIC_TCL=yes %1 IME=yes CSCOPE=yes XPM=e:\xpm
+SET VCDIR="C:\Program Files (x86)\Microsoft Visual Studio 9.0\VC\bin\"
+SET TOOLDIR=E:\
+%VCDIR%nmake -f Make_mvc.mak GUI=yes OLE=yes PERL=E:\perl514 DYNAMIC_PERL=yes PERL_VER=514 PYTHON=%TOOLDIR%python27 DYNAMIC_PYTHON=yes PYTHON_VER=27 PYTHON3=%TOOLDIR%python32 DYNAMIC_PYTHON3=yes PYTHON3_VER=32 RUBY=%TOOLDIR%ruby192 DYNAMIC_RUBY=yes RUBY_VER=192 RUBY_VER_LONG=1.9.2 TCL=%TOOLDIR%tcl TCL_VER=85 TCL_VER_LONG=8.5 DYNAMIC_TCL=yes %1 IME=yes CSCOPE=yes