Index: head/x11/hsetroot/Makefile
===================================================================
--- head/x11/hsetroot/Makefile	(revision 532193)
+++ head/x11/hsetroot/Makefile	(revision 532194)
@@ -1,30 +1,31 @@
 # Created by: Vincent Tantardini <vinc@freebsd-fr.org>
 # $FreeBSD$
 
 PORTNAME=	hsetroot
 PORTVERSION=	1.0.5
 CATEGORIES=	x11
 
 MAINTAINER=	danfe@FreeBSD.org
 COMMENT=	Wallpaper manipulation utility for X11
 
 LICENSE=	GPLv2
 
 LIB_DEPENDS=	libImlib2.so:graphics/imlib2
 
+USE_CSTD=	c99
 USE_GITHUB=	yes
 GH_ACCOUNT=	himdel
 
 USES=		gmake pkgconfig xorg
 USE_XORG=	x11 xinerama
 
 PLIST_FILES=	bin/hsetroot bin/hsr-outputs
 PORTDOCS=	README.md
 
 OPTIONS_DEFINE=	DOCS
 
 do-install-DOCS-on:
 	@${MKDIR} ${STAGEDIR}${DOCSDIR}
 	${INSTALL_DATA} ${WRKSRC}/*.md ${STAGEDIR}${DOCSDIR}
 
 .include <bsd.port.mk>