diff --git a/dns/dnsdist/Makefile b/dns/dnsdist/Makefile
index 0e0808d33e..5ce5f02e37 100644
--- a/dns/dnsdist/Makefile
+++ b/dns/dnsdist/Makefile
@@ -14,6 +14,9 @@ LICENSE_FILE_GPLv2=	${WRKSRC}/COPYING
 LICENSE_FILE_ISCL=	${WRKSRC}/ext/ipcrypt/LICENSE
 LICENSE_FILE_MIT=	${WRKSRC}/ext/yahttp/LICENSE
 
+NOT_FOR_ARCHS=	i386
+NOT_FOR_ARCHS_REASON=	archs with 32-bits time_t are no longer supported by upstream
+
 BUILD_DEPENDS=	${LOCALBASE}/lib/libatomic_ops.a:devel/libatomic_ops
 LIB_DEPENDS=	libboost_serialization.so:devel/boost-libs \
 		libh2o-evloop.so:www/h2o \