diff --git a/science/mol2ps/Makefile b/science/mol2ps/Makefile
index 91772e90f8ce..11036782a363 100644
--- a/science/mol2ps/Makefile
+++ b/science/mol2ps/Makefile
@@ -2,7 +2,7 @@
 # $FreeBSD$
 
 PORTNAME=	mol2ps
-PORTVERSION=	0.3
+PORTVERSION=	0.3a
 CATEGORIES=	science
 MASTER_SITES=	http://merian.pch.univie.ac.at/pch/download/chemistry/${PORTNAME}/
 DISTNAME=	${PORTNAME}
diff --git a/science/mol2ps/distinfo b/science/mol2ps/distinfo
index 531d1204f547..77f9f0a840f8 100644
--- a/science/mol2ps/distinfo
+++ b/science/mol2ps/distinfo
@@ -1,2 +1,2 @@
-SHA256 (mol2ps-0.3/mol2ps.pas) = f71600df00e1373053b45551273367efbb44778a4fed4d6f456b1a37edb4f2d3
-SIZE (mol2ps-0.3/mol2ps.pas) = 273737
+SHA256 (mol2ps-0.3a/mol2ps.pas) = 4caa54d6fbeb42bf16f974342367209a9f2fb81e7598e8139f1603f2c9238ed3
+SIZE (mol2ps-0.3a/mol2ps.pas) = 276480