diff --git a/ChangeLog b/ChangeLog
index 635d636ec4..01964caed1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Fri Jan  5 15:58:15 2007  Koichi Sasada  <ko1@atdot.net>
+
+	* eval_method.h (rb_alias) : fix to check search result
+
 Fri Jan  5 13:59:53 2007  Koichi Sasada  <ko1@atdot.net>
 
 	* eval_method.h (rb_add_method) : fix to check old_node
diff --git a/eval_method.h b/eval_method.h
index 7f2c99d1ff..a99e6bea9a 100644
--- a/eval_method.h
+++ b/eval_method.h
@@ -561,7 +561,7 @@ rb_alias(VALUE klass, ID name, ID def)
     
     if (RTEST(ruby_verbose) &&
 	st_lookup(RCLASS(klass)->m_tbl, name, (st_data_t *) & node)) {
-	if (node->nd_cnt == 0 && node->nd_body) {
+	if (node && node->nd_cnt == 0 && node->nd_body) {
 	    rb_warning("discarding old %s", rb_id2name(name));
 	}
     }