diff --git a/math/mpfr/Makefile b/math/mpfr/Makefile
index 71695bd51052..8713a766e82d 100644
--- a/math/mpfr/Makefile
+++ b/math/mpfr/Makefile
@@ -5,8 +5,7 @@ PORTNAME=	mpfr
 PORTVERSION=	3.1.6
 CATEGORIES=	math devel
 MASTER_SITES=	http://www.mpfr.org/mpfr-current/ \
-		${MASTER_SITE_GNU}
-MASTER_SITE_SUBDIR=	${PORTNAME}
+		GNU/${PORTNAME}
 DIST_SUBDIR=	${DISTNAME}
 
 PATCH_SITES=	${MASTER_SITES}