diff --git a/ChangeLog b/ChangeLog
index 4b8a48dab9..19471a55e4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,8 @@ Mon Jan 19 22:24:28 2004  WATANABE Hirofumi  <eban@ruby-lang.org>
 
 	* sample/exyacc.rb: escape '}' to avoid warning.
 
+	* lib/rdoc/parsers/parse_c.rb: escape '{' and '}' to avoid warnings.
+
 Mon Jan 19 21:28:06 2004  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/digest/defs.h, win32/win3.c, win32/win32.h, file.c: remove
diff --git a/lib/rdoc/parsers/parse_c.rb b/lib/rdoc/parsers/parse_c.rb
index b1b752222b..d491e3d88d 100644
--- a/lib/rdoc/parsers/parse_c.rb
+++ b/lib/rdoc/parsers/parse_c.rb
@@ -351,7 +351,7 @@ module RDoc
 
         # see if we can find the whole body
         
-        re = Regexp.escape(body_text) + "[^(]*^{.*?^}"
+        re = Regexp.escape(body_text) + '[^(]*^\{.*?^\}'
         if Regexp.new(re, Regexp::MULTILINE).match(body)
           body_text = $&
         end