diff --git a/cad/horizon-eda/Makefile b/cad/horizon-eda/Makefile
index a3770548247a..88683f1a30d7 100644
--- a/cad/horizon-eda/Makefile
+++ b/cad/horizon-eda/Makefile
@@ -1,57 +1,58 @@
 PORTNAME=	horizon-eda
 DISTVERSIONPREFIX=	v
 DISTVERSION=	2.5.0
 CATEGORIES=	cad
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	EDA package for printed circuit board design
 WWW=		https://horizon-eda.org/
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	${LOCALBASE}/include/boost/optional.hpp:devel/boost-libs \
 		cppzmq>0:net/cppzmq \
 		glm>0:math/glm
 LIB_DEPENDS=	libcurl.so:ftp/curl \
 		libepoxy.so:graphics/libepoxy \
 		libgit2.so:devel/libgit2 \
 		libharfbuzz.so:print/harfbuzz \
 		libpng16.so:graphics/png \
 		libpodofo09.so:graphics/podofo09 \
 		libTKSTEP.so:cad/opencascade \
 		libuuid.so:misc/e2fsprogs-libuuid \
 		libzip.so:archivers/libzip \
 		libzmq.so:net/libzmq4
 
-USES=		gmake gnome libarchive localbase pkgconfig python:build sqlite # compiler:c++17-lang
+USES=		desktop-file-utils gmake gnome libarchive localbase pkgconfig python:build sqlite # compiler:c++17-lang
 USE_GNOME=	atkmm gdkpixbuf2 gtkmm30 librsvg2
+USE_CXXSTD=	c++14 # fix build failure on 14 due to the use of deprecated std::binary_function C++ feature, see https://github.com/horizon-eda/horizon/issues/727
 
 USE_GITHUB=	yes
 GH_PROJECT=	horizon
 
 MAKE_ARGS=	DEBUGFLAGS= OPTIMIZE=
 
 BINARY_ALIAS=	python3=${PYTHON_CMD}
 
 LLVM_VER=	12 # workaround for bug#263870
 BUILD_DEPENDS+=	clang${LLVM_VER}:devel/llvm${LLVM_VER}
 CPP=		clang-cpp${LLVM_VER}
 CC=		clang${LLVM_VER}
 CXX=		clang++${LLVM_VER}
 
 # Patch sources to force using include files installed by graphics/podofo09
 post-patch:
 	@${REINPLACE_CMD} -e '/^#include/s|podofo/podofo.h|podofo09/podofo.h|' \
 		${WRKSRC}/src/export_pdf/export_pdf.cpp \
 		${WRKSRC}/src/export_pdf/export_pdf_board.cpp \
 		${WRKSRC}/src/python_module/board.cpp \
 		${WRKSRC}/src/python_module/schematic.cpp \
 		${WRKSRC}/src/imp/pdf_export_window.cpp \
 		${WRKSRC}/src/export_pdf/export_pdf_util.hpp \
 		${WRKSRC}/src/export_pdf/canvas_pdf.hpp
 
 post-install: # https://github.com/horizon-eda/horizon/issues/558
 	@cd ${STAGEDIR}${PREFIX}/bin && ${STRIP_CMD} horizon-eda horizon-imp
 
 .include <bsd.port.mk>