diff --git a/ChangeLog b/ChangeLog
index a7a9cfd023..7b3857cf9c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,6 @@
-Sat Aug 30 18:16:32 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Sat Aug 30 18:17:40 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* parse.y (struct token_info): constified.
 
 	* parse.y (token_info_get_column, token_info_has_nonspaces),
 	  (token_info_push, token_info_pop): constified.
diff --git a/parse.y b/parse.y
index 187314d5f0..48721dde2f 100644
--- a/parse.y
+++ b/parse.y
@@ -176,7 +176,7 @@ vtable_included(const struct vtable * tbl, ID id)
 
 
 typedef struct token_info {
-    char *token;
+    const char *token;
     int linenum;
     int column;
     int nonspc;