diff --git a/ChangeLog b/ChangeLog
index 88371389ad..e20e9a770e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,7 @@
-Thu Dec 16 07:51:47 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Thu Dec 16 08:04:47 2010  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* node.h (RNode): match the type of flags to RBasic, and renamed
+	  nd_file as nd_reserved.
 
 	* iseq.c (set_relation), vm_insnhelper.c (vm_cref_push): nd_file
 	  is always zero-cleared.
diff --git a/node.h b/node.h
index 82f7ba06d2..b9668beccc 100644
--- a/node.h
+++ b/node.h
@@ -233,8 +233,8 @@ enum node_type {
 };
 
 typedef struct RNode {
-    unsigned long flags;
-    char *nd_file;
+    VALUE flags;
+    VALUE nd_reserved;		/* ex nd_file */
     union {
 	struct RNode *node;
 	ID id;