diff --git a/devel/fnc/Makefile b/devel/fnc/Makefile
index 534092e6f40f..8808cc53a9a2 100644
--- a/devel/fnc/Makefile
+++ b/devel/fnc/Makefile
@@ -1,30 +1,32 @@
 PORTNAME=	fnc
 DISTVERSION=	0.18
 CATEGORIES=	devel
 MASTER_SITES=	https://fnc.bsdbox.org/tarball/${DISTVERSION}/ \
 		https://distfiles.pirateparty.in/ashish/
 
 MAINTAINER=	ashish@FreeBSD.org
 COMMENT=	Interactive ncurses browser for Fossil repositories
 WWW=		https://fnc.bsdbox.org/
 
 LICENSE=	ISCL
 LICENSE_FILE=	${WRKSRC}/LICENSE
 
 USES=		ncurses
 MAKE_JOBS_UNSAFE=	yes
 
+CFLAGS+=	-Wno-error=gnu-statement-expression
+
 PLIST_FILES=	bin/fnc \
 		share/man/man1/fnc.1.gz
 
 # For patch application
 post-extract:
 	${REINPLACE_CMD} -e '/^VERSION/s/${DISTVERSION}$$/%%VERSION%%/' \
 		${WRKSRC}/fnc.bld.mk
 
 pre-build:
 	${REINPLACE_CMD} -e '/^VERSION/s/%%VERSION%%/${DISTVERSION}/' \
 		-e 's,%%PREFIX%%,${PREFIX},' \
 		${WRKSRC}/fnc.bld.mk
 
 .include <bsd.port.mk>