diff --git a/recipes/windows/cores-mingw-w64-sjlj b/recipes/windows/cores-mingw-w64-sjlj
index 9a9985b2..dbafd3de 100644
--- a/recipes/windows/cores-mingw-w64-sjlj
+++ b/recipes/windows/cores-mingw-w64-sjlj
@@ -1,5 +1,5 @@
 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=0 
 mess2014 libretro-mame2014 https://github.com/libretro/mame2014-libretro.git PROJECT YES GENERIC Makefile.libretro . TARGET=mess PTR64=1 PARTIAL=1 
diff --git a/recipes/windows/mame-mingw-w32-sjlj b/recipes/windows/mame-mingw-w32-sjlj
index 8bc656bf..d66a1066 100644
--- a/recipes/windows/mame-mingw-w32-sjlj
+++ b/recipes/windows/mame-mingw-w32-sjlj
@@ -1,6 +1,6 @@
 mame libretro-mame https://github.com/libretro/mame.git PROJECT YES GENERIC Makefile.libretro . PTR64=0 
 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=0 
 mame2014 libretro-mame2014 https://github.com/libretro/mame2014-libretro.git PROJECT YES GENERIC Makefile.libretro . TARGET=mame PTR64=0 PARTIAL=0 
 mess2014 libretro-mame2014 https://github.com/libretro/mame2014-libretro.git PROJECT YES GENERIC Makefile.libretro . TARGET=mess PTR64=0 PARTIAL=1