diff --git a/lang/lua/lua.port.mk b/lang/lua/lua.port.mk
index ce508797882..65073421bef 100644
--- a/lang/lua/lua.port.mk
+++ b/lang/lua/lua.port.mk
@@ -1,7 +1,16 @@
-# $OpenBSD: lua.port.mk,v 1.1 2008/06/11 05:00:01 landry Exp $
+# $OpenBSD: lua.port.mk,v 1.2 2010/06/15 21:17:46 jasper Exp $
 
 CATEGORIES+=	lang/lua
 
+# Major.Minor of current lua version provided by lang/lua
+LUA_VERSION=	5.1
+
+# Where the lua libraries will be installed to
+LUA_LIBDIR=	${PREFIX}/lib/lua/${LUA_VERSION}/
+
+# Where the lua modules will be installed to
+LUA_DATADIR=	${PREFIX}/share/lua/${LUA_VERSION}/
+
 RUN_DEPENDS+=	::lang/lua
 
 .if ${NO_BUILD:L} == "no"