diff --git a/ChangeLog b/ChangeLog
index 1118fe219b..92b11a5d2a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Nov 19 02:31:36 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* eval_method.ci (rb_add_method): no redefinition warning for undef.
+
 Mon Nov 19 01:53:11 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* parse.y (parser_read_escape): disallow control and meta modifiers
diff --git a/eval_method.ci b/eval_method.ci
index a6b8264e2b..4e07ee7d6e 100644
--- a/eval_method.ci
+++ b/eval_method.ci
@@ -149,7 +149,7 @@ rb_add_method(VALUE klass, ID mid, NODE * node, int noex)
 		if (nd_type(old_node->nd_body->nd_body) == NODE_CFUNC) {
 		    rb_vm_check_redefinition_opt_method(old_node);
 		}
-		if (RTEST(ruby_verbose) && old_node->nd_cnt == 0 && old_node->nd_body) {
+		if (RTEST(ruby_verbose) && node && old_node->nd_cnt == 0 && old_node->nd_body) {
 		    rb_warning("method redefined; discarding old %s", rb_id2name(mid));
 		}
 	    }