diff --git a/multimedia/ossia-score/Makefile b/multimedia/ossia-score/Makefile
index f69abe91927b..72647089c1a6 100644
--- a/multimedia/ossia-score/Makefile
+++ b/multimedia/ossia-score/Makefile
@@ -1,77 +1,78 @@
 PORTNAME=	ossia-score # uses -mcx16
 DISTVERSION=	3.8.0
 PORTREVISION=	1
 CATEGORIES=	multimedia
 MASTER_SITES=	https://github.com/ossia/score/releases/download/v${DISTVERSION}/
 DISTFILES=	ossia.score-${DISTVERSION}-src${EXTRACT_SUFX}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	Interactive sequencer for the intermedia arts
 WWW=		https://ossia.io/ \
 		https://github.com/ossia/score
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE.txt
 
+BROKEN_FreeBSD_13=	compilation fails: fatal error: 'sys/timerfd.h' file not found
 NOT_FOR_ARCHS=		armv6 armv7 i386
 NOT_FOR_ARCHS_REASON=	configure fails: score depends on kfrlib which only supports 64-bit systems (coming from cmake/ScoreConfiguration.cmake:137)
 
 BUILD_DEPENDS=	rapidfuzz-cpp>0:devel/rapidfuzz-cpp \
 		rapidjson>0:devel/rapidjson \
 		vulkan-headers>0:graphics/vulkan-headers
 #BUILD_DEPENDS+=	concurrentqueue>0:devel/concurrentqueue # broken, see https://github.com/ossia/score/issues/1720
 LIB_DEPENDS=	libasound.so:audio/alsa-lib \
 		libavcodec.so:multimedia/ffmpeg \
 		libboost_thread.so:devel/boost-libs \
 		libfaust.so:audio/faust \
 		libfftw3.so:math/fftw3 \
 		libfmt.so:devel/libfmt \
 		libjack.so:audio/jack \
 		libhdf5.so:science/hdf5 \
 		liblilv-0.so:audio/lilv \
 		libportaudio.so:audio/portaudio \
 		libre2.so:devel/re2 \
 		libsamplerate.so:audio/libsamplerate \
 		libsnappy.so:archivers/snappy \
 		libsndfile.so:audio/libsndfile \
 		libspdlog.so:devel/spdlog \
 		libsuil-0.so:audio/suil \
 		libxkbcommon.so:x11/libxkbcommon \
 		libzstd.so:archivers/zstd
 
 USES=		cmake gl localbase:ldflags llvm:19 pkgconfig qt:6 sdl tar:xz
 USE_GL=		gl opengl
 USE_QT=		base declarative networkauth quick3d scxml serialport shadertools svg websockets webview
 USE_SDL=	sdl2
 
 CMAKE_ON=	SCORE_USE_SYSTEM_LIBRARIES \
 		BUILD_SHARED_LIBS
 CMAKE_ARGS=	-DSCORE_DISABLED_PLUGINS="score-plugin-pd;score-plugin-vst3" \
 		-DCMAKE_CXX_FLAGS="-fexperimental-library" \
 		-DCMAKE_UNITY_BUILD=1
 #CMAKE_ARGS+=	-DCMAKE_MODULE_PATH=${LLVM_PREFIX}/lib/cmake/clang # JIT plugin fails to build, see https://github.com/ossia/score/issues/1721
 
 CXXFLAGS+=	-fexperimental-library # to fix libossia/src/ossia/detail/jthread.hpp:10:8: error: Rebuild with -fexperimental-library, clang 18 ships headers which are incompatible with this file but hides half of them behind that flag
 
 .include <bsd.port.pre.mk>
 
 #.if ${ARCH} == "amd64" || ${ARCH} == "i386"
 #PLIST_FILES=	lib/libkfr_dft_avx.a \
 #		lib/libkfr_dft_avx2.a \
 #		lib/libkfr_dft_avx512.a \
 #		lib/libkfr_dft_sse2.a \
 #		lib/libkfr_dft_sse41.a \
 #		lib/libkfr_dsp_avx.a \
 #		lib/libkfr_dsp_avx2.a \
 #		lib/libkfr_dsp_avx512.a \
 #		lib/libkfr_dsp_sse2.a \
 #		lib/libkfr_dsp_sse41.a
 #.endif
 
 post-install: # workaaround for https://github.com/ossia/score/issues/1977: ossia-score installs many projects that it depends on: Eigen, xtensor, xtl, xsimd
 	@${RM} -r \
 		${STAGEDIR}${LOCALBASE}/include \
 		${STAGEDIR}${LOCALBASE}/lib \
 		${STAGEDIR}${LOCALBASE}/share
 
 .include <bsd.port.post.mk>