diff --git a/math/xgap/Makefile b/math/xgap/Makefile
index a620fff3e136..2a2b3f5feff5 100644
--- a/math/xgap/Makefile
+++ b/math/xgap/Makefile
@@ -1,41 +1,44 @@
 PORTNAME=	xgap
 DISTVERSIONPREFIX=	v
 DISTVERSION=	4.31
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Graphical user interface for GAP
 
 LICENSE=	GPLv2
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BROKEN_armv6=	cannot find sources (xgap.c) in ../../src.x11
+BROKEN_armv7=	cannot find sources (xgap.c) in ../../src.x11
+
 BUILD_DEPENDS=	gap:math/gap
 LIB_DEPENDS=	libXaw.so:x11-toolkits/libXaw
 RUN_DEPENDS=	gap:math/gap
 
 USES=		autoreconf gmake xorg
 USE_XORG=	ice sm x11 xext xmu xt
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	gap-packages
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--with-gaproot=${LOCALBASE}/share/gap
 
 ALL_TARGET=	default
 
 PLIST_FILES=	bin/xgap \
 		bin/xgap-bin
 
 pre-build:
 	@cd ${WRKSRC} && ./autogen.sh
 
 do-install:
 	${INSTALL_PROGRAM} ${WRKSRC}/bin/*/${PORTNAME} ${STAGEDIR}${PREFIX}/bin/${PORTNAME}-bin
 	${INSTALL_SCRIPT} ${WRKSRC}/bin/${PORTNAME}.sh ${STAGEDIR}${PREFIX}/bin/${PORTNAME}
 	${REINPLACE_CMD} -i '' -e " \
 		s,^XGAP=.*,XGAP=${PREFIX}/bin/${PORTNAME}-bin,; \
 		s,^GAP=.*,GAP=${PREFIX}/bin/gap,; \
 		" ${STAGEDIR}${PREFIX}/bin/${PORTNAME}
 
 .include <bsd.port.mk>