diff --git a/biology/mashmap/Makefile b/biology/mashmap/Makefile
index 3ec36e51e5c7..a577c407239c 100644
--- a/biology/mashmap/Makefile
+++ b/biology/mashmap/Makefile
@@ -1,31 +1,32 @@
 PORTNAME=	mashmap
 DISTVERSIONPREFIX=	v
 DISTVERSION=	3.1.1
 CATEGORIES=	biology
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Fast approximate aligner for long DNA sequences
 WWW=		https://github.com/marbl/MashMap
 
 LICENSE=	PD
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
 BROKEN_i386=	compilation fails: fatal error: unknown type name '__uint128_t'
+BROKEN_powerpc=	compilation fails: fatal error: unknown type name '__uint128_t'
 
 LIB_DEPENDS=	libgsl.so:math/gsl \
 		libhts.so:biology/htslib
 
 USES=		cmake compiler:c++17-lang localbase:ldflags
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	marbl
 GH_PROJECT=	MashMap
 
 OPTIONS_DEFINE=		NATIVE
 
 NATIVE_CMAKE_BOOL=	OPTIMIZE_FOR_NATIVE
 
 PLIST_FILES=	bin/mashmap \
 		bin/mashmap-align
 
 .include <bsd.port.mk>