diff --git a/ChangeLog b/ChangeLog
index 0ee31f6a3d..9d249fe148 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,4 @@
-Mon Jan 21 14:32:10 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Mon Jan 21 14:36:14 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* transcode.c (str_transcode): initialize transcoder in
 	  rb_transcoding.  [ruby-dev:33234]
diff --git a/transcode.c b/transcode.c
index 370bd06c33..1b8e8ee9e5 100644
--- a/transcode.c
+++ b/transcode.c
@@ -311,14 +311,14 @@ str_transcode(int argc, VALUE *argv, VALUE *self)
 	return -1;
     }
 
-    my_transcoding.transcoder = my_transcoder;
-
     while (!final_encoding) { /* loop for multistep transcoding */
 	/* later, maybe use smaller intermediate strings for very long strings */
 	if (!(my_transcoder = transcode_dispatch(from_e, to_e))) {
 	    rb_raise(rb_eArgError, "transcoding not supported (from %s to %s)", from_e, to_e);
 	}
 
+	my_transcoding.transcoder = my_transcoder;
+
 	if (my_transcoder->preprocessor) {
 	    fromp = sp = (unsigned char *)RSTRING_PTR(str);
 	    slen = RSTRING_LEN(str);