diff --git a/ChangeLog b/ChangeLog
index 2feb412179..be8651530b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,7 @@
-Sat Oct 25 03:58:49 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+Sat Oct 25 04:00:31 2008  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* enc/us_ascii.c (us_ascii_mbc_enc_len): made static.  a patch by
+	  Tadashi Saito <shiba AT mail2.accsnet.ne.jp> at [ruby-dev:36916]
 
 	* signal.c (signal_buff): made static.  a patch by Tadashi Saito
 	  <shiba AT mail2.accsnet.ne.jp> at [ruby-dev:36915]
diff --git a/enc/us_ascii.c b/enc/us_ascii.c
index 39e2b26088..2e96dd3846 100644
--- a/enc/us_ascii.c
+++ b/enc/us_ascii.c
@@ -1,6 +1,6 @@
 #include "regenc.h"
 
-extern int
+static int
 us_ascii_mbc_enc_len(const UChar* p, const UChar* e, OnigEncoding enc)
 {
     if (*p & 0x80)