diff --git a/devel/hpx/Makefile b/devel/hpx/Makefile
index 61293870f0f8..2e055acbd075 100644
--- a/devel/hpx/Makefile
+++ b/devel/hpx/Makefile
@@ -1,46 +1,47 @@
 PORTNAME=	hpx
 DISTVERSIONPREFIX=	v
 DISTVERSION=	1.9.1
 PORTREVISION=	1
 CATEGORIES=	devel
 
 PATCH_SITES=	https://github.com/${GH_ACCOUNT}/${GH_PROJECT}/commit/
 PATCHFILES=	4a61c0bb764616a103900f948ac9735b3b73e594.diff:-p1 # fix for https://github.com/STEllAR-GROUP/hpx/issues/6316
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	C++ Standard Library for Parallelism and Concurrency
 WWW=		https://hpx.stellar-group.org/
 
 LICENSE=	BSL
 LICENSE_FILE=	${WRKSRC}/LICENSE_1_0.txt
 
+BROKEN_i386=	compilation fails: detail/tagged_ptr_pair.hpp:117:27: error: no matching function for call to 'bit_cast', see https://github.com/STEllAR-GROUP/hpx/issues/6426
 BROKEN_riscv64=	hpx/hardware/timestamp.hpp:43:6: error: Unsupported platform
 
 BUILD_DEPENDS=	asio>0:net/asio
 LIB_DEPENDS=	libboost_filesystem.so:devel/boost-libs \
 		libhwloc.so.15:devel/hwloc2
 
 USES=		cmake:testing compiler:c++17-lang python shebangfix
 USE_LDCONFIG=	yes
 
 USE_GITHUB=	yes
 GH_ACCOUNT=	STEllAR-GROUP
 
 SHEBANG_FILES=	cmake/templates/hpxrun.py.in cmake/templates/hpxcxx.in
 SHEBANG_GLOB=	*.py
 
 CMAKE_ON=	HPX_WITH_GENERIC_CONTEXT_COROUTINES
 CMAKE_OFF=	HPX_WITH_EXAMPLES HPX_WITH_TESTS HPX_WITH_TESTS_BENCHMARKS HPX_WITH_TESTS_REGRESSIONS HPX_WITH_TESTS_UNIT HPX_WITH_TESTS_EXAMPLES
 CMAKE_TESTING_ON=	HPX_WITH_TESTS HPX_WITH_TESTS_UNIT # 6 tests fail, 4 tests time out, see https://github.com/STEllAR-GROUP/hpx/issues/6331
 CMAKE_TESTING_TARGET=	tests test
 
 LDFLAGS+=	${LDFLAGS_${CHOSEN_COMPILER_TYPE}}
 LDFLAGS_gcc=	-latomic
 
 BINARY_ALIAS=	git=false
 
 post-install:
 	@${RM} ${STAGEDIR}${DATADIR}/LICENSE_1_0.txt
 	@${RMDIR} ${STAGEDIR}${DATADIR}
 
 .include <bsd.port.mk>