diff --git a/audio/eteroj-lv2/Makefile b/audio/eteroj-lv2/Makefile
index cb6fad286ce2..7247640a1f7c 100644
--- a/audio/eteroj-lv2/Makefile
+++ b/audio/eteroj-lv2/Makefile
@@ -1,29 +1,35 @@
 PORTNAME=	eteroj
 DISTVERSION=	0.10.0
 PORTREVISION=	1
 CATEGORIES=	audio
 MASTER_SITES=	https://git.open-music-kontrollers.ch/lv2/eteroj.lv2/snapshot/
 PKGNAMESUFFIX=	-lv2
 DISTNAME=	${PORTNAME}.lv2-${DISTVERSION}
 
 MAINTAINER=	yuri@FreeBSD.org
 COMMENT=	OSC injection/ejection from/to UDP/TCP/Serial for LV2
 WWW=		https://open-music-kontrollers.ch/lv2/eteroj/
 
 LICENSE=	ART20
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 BUILD_DEPENDS=	lv2>0:audio/lv2 \
 		lv2lint:audio/lv2lint
 LIB_DEPENDS=	libsratom-0.so:audio/sratom \
 		libserd-0.so:devel/serd \
 		libsord-0.so:devel/sord \
 		libuv.so:devel/libuv
 
 USES=		compiler:c11 meson pkgconfig tar:xz
 
 PLIST_FILES=	lib/lv2/eteroj.lv2/eteroj.so \
 		lib/lv2/eteroj.lv2/eteroj.ttl \
 		lib/lv2/eteroj.lv2/manifest.ttl
 
-.include <bsd.port.mk>
+.include <bsd.port.pre.mk>
+
+.if ${OPSYS} == FreeBSD && ${OSVERSION} >= 1400079
+CFLAGS+=	-Wno-error=int-conversion
+.endif
+
+.include <bsd.port.post.mk>