diff --git a/games/libretro-mame2000/Makefile b/games/libretro-mame2000/Makefile
index 4716bc3a1583..1119d4778636 100644
--- a/games/libretro-mame2000/Makefile
+++ b/games/libretro-mame2000/Makefile
@@ -1,24 +1,25 @@
 PORTNAME=	libretro-mame2000
 PORTVERSION=	0.20210214
 CATEGORIES=	games
 
 MAINTAINER=	menelkir@itroll.org
 COMMENT=	MAME (0.37b5) for libretro
 
 LICENSE=	GPLv2
 
-USES=		compiler:c++11-lib gmake
+USES=		compiler:c++11-lib dos2unix gmake
+DOS2UNIX_FILES=	src/cpu/tms9900/99xxstat.h
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	libretro
 GH_PROJECT=	mame2000-libretro
 GH_TAGNAME=	e364a15
 
 PLIST_FILES=	lib/libretro/mame2000_libretro.so
 
 do-install:
 	${MKDIR} ${STAGEDIR}/${PREFIX}/lib/libretro;
 	${INSTALL_LIB} ${WRKSRC}/mame2000_libretro.so ${STAGEDIR}/${PREFIX}/lib/libretro;
 
 .include <bsd.port.mk>
diff --git a/games/libretro-mame2000/files/patch-src_cpu_tms9900_99xxstat.h b/games/libretro-mame2000/files/patch-src_cpu_tms9900_99xxstat.h
new file mode 100644
index 000000000000..7d9b116b25e6
--- /dev/null
+++ b/games/libretro-mame2000/files/patch-src_cpu_tms9900_99xxstat.h
@@ -0,0 +1,11 @@
+--- src/cpu/tms9900/99xxstat.h.orig	2021-04-07 16:22:44 UTC
++++ src/cpu/tms9900/99xxstat.h
+@@ -192,7 +192,7 @@ static INLINE void setst_c_lae(UINT16 to, UINT16 val)
+ #define wadd(addr,expr) { int lval = setst_add_laeco(readword(addr), (expr)); writeword((addr),lval); }
+ #define wsub(addr,expr) { int lval = setst_sub_laeco(readword(addr), (expr)); writeword((addr),lval); }
+ 
+-#ifdef __POWERPC__
++#if defined(__POWERPC__) && !defined(__powerpc64__)
+ 
+ // setst_add_32_laeco :
+ // - computes a+b