diff --git a/x11/wayout/Makefile b/x11/wayout/Makefile
index d1beb891e64f..00c1e4dc2474 100644
--- a/x11/wayout/Makefile
+++ b/x11/wayout/Makefile
@@ -1,31 +1,32 @@
 PORTNAME=	wayout
 DISTVERSION=	0.1.4
 CATEGORIES=	x11 wayland
 MASTER_SITES=	https://git.sr.ht/~proycon/${PORTNAME}/archive/${DISTVERSIONFULL}${EXTRACT_SUFX}?dummy=/
 
 MAINTAINER=	jbeich@FreeBSD.org
 COMMENT=	Output simple text to a Wayland desktop widget
 WWW=		https://git.sr.ht/~proycon/wayout
 
 LICENSE=	GPLv3
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 BUILD_DEPENDS=	wayland-protocols>0:graphics/wayland-protocols
 LIB_DEPENDS=	libwayland-client.so:graphics/wayland
 
 USES=		compiler:c11 gnome meson pkgconfig
 USE_GNOME=	cairo pango
+CFLAGS+=	-Wno-error=strict-prototypes # Clang 15, similar to wlclock
 PLIST_FILES=	bin/${PORTNAME}
 
 OPTIONS_DEFINE=	EPOLL MANPAGES
 OPTIONS_DEFAULT=EPOLL MANPAGES
 
 EPOLL_DESC=		Handle signals via epoll-shim
 EPOLL_LIB_DEPENDS=	libepoll-shim.so:devel/libepoll-shim
 EPOLL_MESON_ENABLED=	handle-signals
 
 MANPAGES_BUILD_DEPENDS=	scdoc:textproc/scdoc
 MANPAGES_MESON_ENABLED=	man-pages
 MANPAGES_PLIST_FILES=	man/man1/${PORTNAME}.1.gz
 
 .include <bsd.port.mk>