--- Makefile    2013-11-03 12:31:00.000000000 -0500
+++ Makefile.new        2013-11-03 12:30:51.000000000 -0500
@@ -37,6 +37,7 @@
 SUB_LIST+=     "PORTVERSION=${PORTVERSION}"
 SUB_LIST+=     "PREFIX=${PREFIX}"
 SUB_LIST+=     "WWWDIR=${WWWDIR}"
+SUB_LIST+=     "PORTNAME=${PORTNAME}"
 
 NO_STAGE=      yes
 post-patch: