diff -urN /usr/ports/science/mol2ps/Makefile science/mol2ps/Makefile
--- /usr/ports/science/mol2ps/Makefile	2013-06-21 03:54:02.000000000 +0900
+++ science/mol2ps/Makefile	2013-07-21 00:00:00.000000000 +0900
@@ -2,7 +2,7 @@
 # $FreeBSD: head/science/mol2ps/Makefile 321129 2013-06-17 15:22:24Z miwi $
 
 PORTNAME=	mol2ps
-PORTVERSION=	0.4
+PORTVERSION=	0.4a
 CATEGORIES=	science
 MASTER_SITES=	http://merian.pch.univie.ac.at/pch/download/chemistry/${PORTNAME}/
 DISTNAME=	${PORTNAME}
diff -urN /usr/ports/science/mol2ps/distinfo science/mol2ps/distinfo
--- /usr/ports/science/mol2ps/distinfo	2013-06-21 03:54:02.000000000 +0900
+++ science/mol2ps/distinfo	2013-07-21 00:00:00.000000000 +0900
@@ -1,2 +1,2 @@
-SHA256 (mol2ps-0.4/mol2ps.pas) = 3b420706c7780947ea93b3489a608d42aa29ab29857b9d6d26b1158ff6cc6294
-SIZE (mol2ps-0.4/mol2ps.pas) = 296339
+SHA256 (mol2ps-0.4a/mol2ps.pas) = bcc04c8dd0167d73c7aa3e84af1388d62b51e8046696c2eeb9796d09531ffc90
+SIZE (mol2ps-0.4a/mol2ps.pas) = 297704