diff --git a/math/flopc++/Makefile b/math/flopc++/Makefile
index a79c20775a1a..8f920ccc410d 100644
--- a/math/flopc++/Makefile
+++ b/math/flopc++/Makefile
@@ -1,29 +1,29 @@
 PORTNAME=	flopc++
 DISTVERSION=	1.2.5
 CATEGORIES=	math
 MASTER_SITES=	http://www.coin-or.org/download/pkgsource/FlopC++/
 PKGNAMEPREFIX=	coin-or-
 DISTNAME=	FlopC++-${DISTVERSION}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Library for solving Linear Optimization Problems in C++
 
 LICENSE=	EPL
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 LIB_DEPENDS=	libCoinUtils.so:math/coinmp \
 		libOsi.so:math/osi
 
 USES=		gmake libtool pkgconfig tar:tgz
 USE_LDCONFIG=	yes
 
-USE_GCC=	any # clang breaks: no matching conversion for functional-style cast from 'const flopc::SUBSETREF' to 'flopc::MP_domain' https://github.com/coin-or/FlopCpp/issues/28
+USE_GCC=	yes # clang breaks: no matching conversion for functional-style cast from 'const flopc::SUBSETREF' to 'flopc::MP_domain' https://github.com/coin-or/FlopCpp/issues/28
 
 GNU_CONFIGURE=	yes
 
 INSTALL_TARGET=	install-strip
 
 post-install:
 	@${RM} -r ${STAGEDIR}${PREFIX}/share
 
 .include <bsd.port.mk>