diff --git a/ChangeLog b/ChangeLog
index 7e6d050fee..155a27ad26 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Feb 17 12:35:55 2012  NARUSE, Yui  <naruse@ruby-lang.org>
+
+	* tool/merger.rb: remove borders from the commit message which is used
+	  when the commit doesn't change ChangeLog.
+
 Fri Feb 17 11:50:11 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* common.mk (btest, btest-ruby, test-sample test-knownbugs)
diff --git a/tool/merger.rb b/tool/merger.rb
index 6f82541e0d..ef24027452 100755
--- a/tool/merger.rb
+++ b/tool/merger.rb
@@ -153,7 +153,7 @@ else
     if log_svn.empty?
       log_svn = IO.popen %w'svn log ' + r + [q] do |f|
         f.read
-      end
+      end.sub(/\A-+\nr.*\n/, '').sub(/\n-+\n\z/, '').gsub(/^(?=\S)/, "\t")
     end
 
     a = %w'svn merge --accept=postpone' + r + [q]