diff --git a/ChangeLog b/ChangeLog
index 0917e017f5..d73edbe1e6 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Sat Dec 29 03:10:12 2007  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* io.c (io_unread): fix typo.
+
 Sat Dec 29 02:18:45 2007  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* io.c (io_unread): adhoc workaround for non-binary mode of some DOSish
diff --git a/io.c b/io.c
index d398b23922..cb0a7b2853 100644
--- a/io.c
+++ b/io.c
@@ -294,9 +294,8 @@ io_unread(rb_io_t *fptr)
 	r = lseek(fptr->fd, -len, SEEK_CUR);
     }
     else
-#else
-    r = lseek(fptr->fd, -fptr->rbuf_len, SEEK_CUR);
 #endif
+    r = lseek(fptr->fd, -fptr->rbuf_len, SEEK_CUR);
     if (r < 0) {
         if (errno == ESPIPE)
             fptr->mode |= FMODE_DUPLEX;