diff --git a/antlr2/Makefile b/antlr2/Makefile
index a0a41cf364fdeebaebfe32008f6e5a9bdb66f370..3fb9343208c19da18b4b53dd65199b03d04bb89e 100644
--- a/antlr2/Makefile
+++ b/antlr2/Makefile
@@ -11,7 +11,7 @@ CATEGORIES=	devel
 HOMEPAGE=	http://www.antlr2.org
 MAINTAINER=	rlalleme@laas.fr
 COMMENT=	Antlr2 is a tool to generate parsers
-LICENSE=	antlr2
+LICENSE=	public-domain
 
 GNU_CONFIGURE=	yes
 CONFIGURE_ARGS+=--with-make=${MAKE}