Index: head/www/logswan/Makefile
===================================================================
--- head/www/logswan/Makefile	(revision 537596)
+++ head/www/logswan/Makefile	(revision 537597)
@@ -1,23 +1,23 @@
 # Created by: Juraj Lutter <juraj@lutter.sk>
 # $FreeBSD$
 
 PORTNAME=	logswan
 PORTVERSION=	2.1.4
 CATEGORIES=	www
 
 MAINTAINER=	juraj@lutter.sk
 COMMENT=	Fast Web log analyzer
 
 LICENSE=	BSD2CLAUSE
 
 LIB_DEPENDS=	libjansson.so:devel/jansson \
 		libmaxminddb.so:net/libmaxminddb
 
-USES=		cmake
+USES=		cmake compiler:c11
 USE_GITHUB=	yes
 GH_ACCOUNT=	fcambus
 
 PLIST_FILES=	bin/${PORTNAME} \
 		man/man1/${PORTNAME}.1.gz
 
 .include <bsd.port.mk>