diff --git a/games/libretro-mame2000/Makefile b/games/libretro-mame2000/Makefile
index 1119d4778636..53d2778fd9f4 100644
--- a/games/libretro-mame2000/Makefile
+++ b/games/libretro-mame2000/Makefile
@@ -1,25 +1,27 @@
 PORTNAME=	libretro-mame2000
 PORTVERSION=	0.20210214
 CATEGORIES=	games
 
 MAINTAINER=	menelkir@itroll.org
 COMMENT=	MAME (0.37b5) for libretro
 
 LICENSE=	GPLv2
 
+BROKEN_aarch64=	fails to build: src/libretro/libretro-common/libco/aarch64.c:25:1: error: meaningless 'volatile' on asm outside function
+
 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>