diff --git a/ChangeLog b/ChangeLog
index 09d0ce4efd..115d7ee3f8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Mon Dec 10 18:28:06 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* lib/uri/common.rb (URI::REGEXP::PATTERN): typo in REG_NAME
+	  regular expression.  a patch from Ueda Satoshi
+	  <s-ueda AT livedoor.jp>.  [ruby-dev:32514]
+
 Mon Dec 10 17:46:04 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* string.c (rb_str_tmp_new): creates hidden temporary buffer.
diff --git a/lib/uri/common.rb b/lib/uri/common.rb
index f74f0eb2e1..af6aaf26fb 100644
--- a/lib/uri/common.rb
+++ b/lib/uri/common.rb
@@ -110,7 +110,7 @@ module URI
       SERVER = "(?:#{USERINFO}@)?#{HOSTPORT}"
       # reg_name      = 1*( unreserved | escaped | "$" | "," |
       #                     ";" | ":" | "@" | "&" | "=" | "+" )
-      REG_NAME = "(?:[#{UNRESERVED}$,;+@&=+]|#{ESCAPED})+"
+      REG_NAME = "(?:[#{UNRESERVED}$,;:@&=+]|#{ESCAPED})+"
       # authority     = server | reg_name
       AUTHORITY = "(?:#{SERVER}|#{REG_NAME})"