diff --git a/ChangeLog b/ChangeLog
index 85c9b9bd29..5118d21127 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Dec 21 16:06:13 2007  Tanaka Akira  <akr@fsij.org>
+
+	* re.c (append_utf8): use rb_utf8_encoding() instead of
+	  rb_enc_find("utf-8").
+
 Fri Dec 21 15:59:46 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* encoding.c (rb_enc_init): use enc_register_at() directly.
diff --git a/re.c b/re.c
index 9306ae7bfd..16c9b55d44 100644
--- a/re.c
+++ b/re.c
@@ -1708,8 +1708,8 @@ append_utf8(unsigned long uv,
         rb_str_buf_cat(buf, utf8buf, len);
 
         if (*encp == 0)
-            *encp = rb_enc_find("utf-8");
-        else if (*encp != rb_enc_find("utf-8")) {
+            *encp = rb_utf8_encoding();
+        else if (*encp != rb_utf8_encoding()) {
             strcpy(err, "UTF-8 character in non UTF-8 regexp");
             return -1;
         }