Index: Mk/bsd.port.mk
===================================================================
--- Mk/bsd.port.mk
+++ Mk/bsd.port.mk
@@ -1023,7 +1023,7 @@
 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