diff --git a/src/hlua.c b/src/hlua.c
index 4d92fa4..465c2c2 100644
--- a/src/hlua.c
+++ b/src/hlua.c
@@ -5998,7 +5998,7 @@
 	htxn = MAY_LJMP(hlua_checktxn(L, 1));
 	mark = MAY_LJMP(luaL_checkinteger(L, 2));
 
-	conn_set_tos(objt_conn(htxn->s->sess->origin), mark);
+	conn_set_mark(objt_conn(htxn->s->sess->origin), mark);
 	return 0;
 }