diff --git a/recipes/windows/cores-windows-x86_sjlj-generic b/recipes/windows/cores-windows-x86_sjlj-generic
index f9a18d58..d75fade5 100644
--- a/recipes/windows/cores-windows-x86_sjlj-generic
+++ b/recipes/windows/cores-windows-x86_sjlj-generic
@@ -2,7 +2,7 @@ desmume libretro-desmume https://github.com/libretro/desmume.git PROJECT YES GEN
 dosbox libretro-dosbox https://github.com/libretro/dosbox-libretro.git PROJECT YES GENERIC Makefile.libretro . 
 mame libretro-mame https://github.com/libretro/mame.git PROJECT YES GENERIC Makefile.libretro . 
 mame2000 libretro-mame2000 https://github.com/libretro/mame2000-libretro.git PROJECT YES GENERIC Makefile . 
-mame2003 libretro-mame2003 https://github.com/libretro/mame2003-libretro.git PROJECT YES GENERIC Makefile . PTR64=1 
+mame2003 libretro-mame2003 https://github.com/libretro/mame2003-libretro.git PROJECT YES GENERIC Makefile . 
 mame2010 libretro-mame2010 https://github.com/libretro/mame2010-libretro.git PROJECT YES GENERIC Makefile.libretro . VRENDER=soft PTR64=1 
 mame2014 libretro-mame2014 https://github.com/libretro/mame2014-libretro.git PROJECT YES GENERIC Makefile.libretro . TARGET=mame PTR64=1 PARTIAL=1 
 mednafen_gba libretro-beetle_gba https://github.com/libretro/beetle-gba-libretro.git PROJECT YES GENERIC Makefile .