diff --git a/Mk/bsd.port.mk b/Mk/bsd.port.mk
--- a/Mk/bsd.port.mk
+++ b/Mk/bsd.port.mk
@@ -1007,7 +1007,7 @@
 LOCALBASE?=		/usr/local
 LINUXBASE?=		/compat/linux
 DISTDIR?=		${PORTSDIR}/distfiles
-_DISTDIR?=		${DISTDIR}/${DIST_SUBDIR}
+_DISTDIR?=		${DISTDIR}${DIST_SUBDIR:D/${DIST_SUBDIR}}
 INDEXDIR?=		${PORTSDIR}
 SRC_BASE?=		/usr/src
 USESDIR?=		${PORTSDIR}/Mk/Uses