diff --git a/sysutils/mcron/Makefile b/sysutils/mcron/Makefile
index bd7b1cfc32c3..29af72cdc366 100644
--- a/sysutils/mcron/Makefile
+++ b/sysutils/mcron/Makefile
@@ -1,20 +1,21 @@
 # Created by: ijliao
 # $FreeBSD$
 
 PORTNAME=	mcron
 PORTVERSION=	1.0.8
 CATEGORIES=	sysutils
 MASTER_SITES=	GNU
 
 MAINTAINER=	johans@FreeBSD.org
 COMMENT=	100% compatible replacement for Vixie cron
 
 RUN_DEPENDS=	guile2>=2.0:${PORTSDIR}/lang/guile2
 BUILD_DEPENDS=	${RUN_DEPENDS}
 
+USES=		pkgconfig
 GNU_CONFIGURE=	yes
 MAKEFILE=	makefile
 
 INFO=		mcron
 
 .include <bsd.port.mk>