diff --git a/math/mpsolve/Makefile b/math/mpsolve/Makefile
index 1a99c1d2e1a6..4a82a31ced76 100644
--- a/math/mpsolve/Makefile
+++ b/math/mpsolve/Makefile
@@ -1,37 +1,39 @@
 PORTNAME=	mpsolve
 DISTVERSION=	3.2.1
 PORTREVISION=	1
 CATEGORIES=	math
 MASTER_SITES=	https://numpi.dm.unipi.it/_media/software/mpsolve/
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Multiprecision rootfinder for complex roots of univariate polynomials
 WWW=		https://numpi.dm.unipi.it/software/mpsolve
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/COPYING
 
+BROKEN_FreeBSD_14=	fails to compile: expected unqualified-id
+
 LIB_DEPENDS=	libgmp.so:math/gmp \
 		libtcmalloc_minimal.so:devel/google-perftools
 
 USES=		autoreconf:2.69 compiler:c++11-lang gettext-runtime gmake \
 		gnome libtool localbase pkgconfig shared-mime-info tar:bz2
 USE_GNOME=	atk cairo gdkpixbuf2 glib20 gtk30 pango
 USE_LDCONFIG=	yes
 USE_CXXSTD=	c++14 # fix compilation failure on 14: error: ISO C++17 does not allow 'register' storage class specifier [-Wregister]
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS=	--disable-static
 
 INSTALL_TARGET=	install-strip
 
 OPTIONS_DEFINE=		GUI
 OPTIONS_DEFAULT=	GUI
 OPTIONS_SUB=		yes
 
 GUI_DESC=		Graphical UI to solve polynomial equations visually
 GUI_CONFIGURE_OFF=	--disable-ui
 GUI_USES=		bison desktop-file-utils qt:5
 GUI_USE=		QT=core,gui,widgets,buildtools:build
 
 .include <bsd.port.mk>