diff --git a/ChangeLog b/ChangeLog
index bf92792ce2..4397748230 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri May 18 15:38:11 2012  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
+
+	* ext/ripper/extconf.rb: Use an exception instead of bare
+	  Logging.message.
+
 Fri May 18 15:23:06 2012  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* ext/openssl/extconf.rb: Clarify a message when hit Apple
diff --git a/ext/ripper/extconf.rb b/ext/ripper/extconf.rb
index 4914d70e78..db54e5ca2a 100644
--- a/ext/ripper/extconf.rb
+++ b/ext/ripper/extconf.rb
@@ -6,8 +6,7 @@ require 'rbconfig'
 def main
   unless find_executable('bison')
     unless File.exist?('ripper.c') or File.exist?("#{$srcdir}/ripper.c")
-      Logging.message 'missing bison; abort'
-      return
+      raise 'missing bison; abort'
     end
   end
   $objs = %w(ripper.o)