diff --git a/ChangeLog b/ChangeLog
index f2d98e6c73..0fde1722b7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Mon Aug  6 11:08:48 2012  NAKAMURA Usaku  <usa@ruby-lang.org>
+
+	* test/syslog/test_syslog_logger.rb: skip unless Syslog module is
+	  available.
+
 Mon Aug  6 00:40:54 2012  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* ext/bigdecimal/bigdecimal.c (BigMath_s_log): fix format specifier.
diff --git a/test/syslog/test_syslog_logger.rb b/test/syslog/test_syslog_logger.rb
index 9224296540..f84ee74ef2 100644
--- a/test/syslog/test_syslog_logger.rb
+++ b/test/syslog/test_syslog_logger.rb
@@ -1,6 +1,10 @@
 require 'test/unit'
 require 'tempfile'
-require 'syslog/logger'
+begin
+  require 'syslog/logger'
+rescue LoadError
+  # skip.  see the bottom of this file.
+end
 
 # These tests ensure Syslog::Logger works like Logger
 
@@ -504,4 +508,4 @@ class TestSyslogLogger < TestSyslogRootLogger
     assert_equal false, @logger.unknown?
   end
 
-end
+end if defined?(Syslog)