--- graphics/argyllcms/Makefile	(revision 506304)
+++ graphics/argyllcms/Makefile	(working copy)
@@ -5,7 +5,7 @@ 
 PORTVERSION=	1.9.2
 PORTREVISION=	4
 CATEGORIES=	graphics
-MASTER_SITES=	http://www.argyllcms.com/
+MASTER_SITES=	https://www.argyllcms.com/
 DISTNAME=	Argyll_V${PORTVERSION}_src
 
 MAINTAINER=	kwm@FreeBSD.org