diff --git a/ChangeLog b/ChangeLog
index dc4d4c06f4..2ba1043824 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Sat May 21 02:10:09 2011  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* re.h (RMATCH_REGS): parenthesize cast expression.  suggested
+	  from Nikolai Weibull in [ruby-core:35825].
+
 Sat May 21 01:32:08 2011  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	backported r31286 from trunk
diff --git a/re.h b/re.h
index e87651a81c..75087ea1f7 100644
--- a/re.h
+++ b/re.h
@@ -27,7 +27,7 @@ struct RMatch {
 };
 
 #define RMATCH(obj)  (R_CAST(RMatch)(obj))
-#define RMATCH_REGS(obj)  (R_CAST(RMatch)(obj)->regs)
+#define RMATCH_REGS(obj)  (R_MATCH(obj)->regs)
 
 VALUE rb_reg_regcomp _((VALUE));
 long rb_reg_search _((VALUE, VALUE, long, long));
diff --git a/version.h b/version.h
index 0132b04a59..0a0b7cf4a0 100644
--- a/version.h
+++ b/version.h
@@ -2,7 +2,7 @@
 #define RUBY_RELEASE_DATE "2011-05-21"
 #define RUBY_VERSION_CODE 187
 #define RUBY_RELEASE_CODE 20110521
-#define RUBY_PATCHLEVEL 341
+#define RUBY_PATCHLEVEL 342
 
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 8