diff --git a/textproc/ffe/Makefile b/textproc/ffe/Makefile
index 911266949795..5c624c7eb523 100644
--- a/textproc/ffe/Makefile
+++ b/textproc/ffe/Makefile
@@ -1,24 +1,26 @@
 PORTNAME=	ffe
 DISTVERSION=	0.3.9
+PORTREVISION=	1
 CATEGORIES=	textproc
 MASTER_SITES=	SF/ff-extractor/ff-extractor/${DISTVERSION}
 
 MAINTAINER=	egypcio@FreeBSD.org
 COMMENT=	Flat file extractor
 
 LICENSE=	GPLv2+
 LICENSE_FILE=	${WRKSRC}/COPYING
 
 USES=		makeinfo localbase
 
 GNU_CONFIGURE=	yes
+CFLAGS+=	-std=gnu89	# Requires GNU89 inline semantics.
 
 INFO=		ffe
 PORTDOCS=	ffe.html
 PLIST_FILES=	bin/ffe man/man1/ffe.1.gz
 
 OPTIONS_DEFINE=		DOCS GCRYPT
 GCRYPT_CONFIGURE_WITH=	libgcrypt-prefix="${LOCALBASE}"
 GCRYPT_LIB_DEPENDS=	libgcrypt.so:security/libgcrypt
 
 .include <bsd.port.mk>