diff --git a/build_port_win.bat b/build_port_win.bat
index 94309d7..6196d33 100644
--- a/build_port_win.bat
+++ b/build_port_win.bat
@@ -1,4 +1,4 @@
 @echo off
 call "C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\bin\vcvars32.bat"
 
-nmake /f msvc.mk compile_c
\ No newline at end of file
+nmake /f Makefile compile_c
\ No newline at end of file