diff --git a/math/highs/Makefile b/math/highs/Makefile
index 65ce8bcdd32c..1321eb20cc0e 100644
--- a/math/highs/Makefile
+++ b/math/highs/Makefile
@@ -1,23 +1,25 @@
 PORTNAME=	highs
 DISTVERSION=	g20210408
 CATEGORIES=	math
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Solver for large scale sparse linear programming (LP) problems
 
 LICENSE=	MIT
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
+BROKEN_i386=	undefined reference to fmax, see https://github.com/ERGO-Code/HiGHS/issues/505
+
 LIB_DEPENDS=	libOsi.so:math/clp
 
 USES=		blaslapack cmake compiler:c++11-lang pkgconfig
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	ERGO-Code
 GH_PROJECT=	HiGHS
 GH_TAGNAME=	cfe064e
 
 post-install: # see https://github.com/ERGO-Code/HiGHS/issues/502
 	${RM} -r ${STAGEDIR}${PREFIX}/external
 
 .include <bsd.port.mk>