diff --git a/ChangeLog b/ChangeLog
index 9325597c61..1849be0587 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Tue Jun 26 16:22:45 2007  Koichi Sasada  <ko1@atdot.net>
+
+	* iseq.c (ruby_node_name): update node names.
+
 Tue Jun 26 15:21:20 2007  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* include/ruby/ruby.h: IL32LLP64 support.
diff --git a/iseq.c b/iseq.c
index 2c4d40cd94..844a21e8d6 100644
--- a/iseq.c
+++ b/iseq.c
@@ -817,6 +817,18 @@ char *
 ruby_node_name(int node)
 {
     switch (node) {
+/*
+# generated by this script.
+src = 'include/ruby/node.h'
+f = open(File.expand_path(src))
+line = f.gets while /enum node_type \{/ !~ line
+while line = f.gets
+  break if /(NODE_.+),/ !~ line
+  node = $1
+  puts "      case #{node}:"
+  puts "\treturn \"#{node}\";"
+end
+ */
       case NODE_METHOD:
 	return "NODE_METHOD";
       case NODE_FBODY:
@@ -883,6 +895,8 @@ ruby_node_name(int node)
 	return "NODE_CDECL";
       case NODE_CVASGN:
 	return "NODE_CVASGN";
+      case NODE_CVDECL:
+	return "NODE_CVDECL";
       case NODE_OP_ASGN1:
 	return "NODE_OP_ASGN1";
       case NODE_OP_ASGN2:
@@ -953,6 +967,10 @@ ruby_node_name(int node)
 	return "NODE_DREGX_ONCE";
       case NODE_ARGS:
 	return "NODE_ARGS";
+      case NODE_ARGS_AUX:
+	return "NODE_ARGS_AUX";
+      case NODE_OPT_ARG:
+	return "NODE_OPT_ARG";
       case NODE_POSTARG:
 	return "NODE_POSTARG";
       case NODE_ARGSCAT:
@@ -1031,8 +1049,6 @@ ruby_node_name(int node)
 	return "NODE_LAMBDA";
       case NODE_OPTBLOCK:
 	return "NODE_OPTBLOCK";
-      case NODE_LAST:
-	return "NODE_LAST";
       default:
 	rb_bug("unknown node (%d)", node);
 	return 0;