diff --git a/ChangeLog b/ChangeLog
index 167350590c..57560bbd7e 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Mon Jun  2 03:52:04 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* ruby.c (set_arg0): reverted used variable definition.
+
 Mon Jun  2 03:23:25 2008  NARUSE, Yui  <naruse@ruby-lang.org>
 
 	* enc/gb18030.c (gb18030_mbc_to_code): mask by 0x7FFFFFFF
diff --git a/ruby.c b/ruby.c
index 2fc8366c4e..f0aee7a07b 100644
--- a/ruby.c
+++ b/ruby.c
@@ -1390,6 +1390,7 @@ set_arg0(VALUE val, ID id)
     memcpy(origarg.argv[0], s, i);
 
     {
+	int j;
 	char *t = origarg.argv[0] + i;
 	*t = '\0';