diff --git a/lib/fluent/plugin_helper/compat_parameters.rb b/lib/fluent/plugin_helper/compat_parameters.rb
index 567760b315..bd2819f64b 100644
--- a/lib/fluent/plugin_helper/compat_parameters.rb
+++ b/lib/fluent/plugin_helper/compat_parameters.rb
@@ -194,7 +194,9 @@ def compat_parameters_inject(conf)
           hash['time_type'] = 'unixtime'
         end
         if conf.has_key?('localtime') || conf.has_key?('utc')
-          if conf.has_key?('localtime') && conf.has_key?('utc')
+          utc = to_bool(conf['utc'])
+          localtime = to_bool(conf['localtime'])
+          if conf.has_key?('localtime') && conf.has_key?('utc') && !(localtime ^ utc)
             raise Fluent::ConfigError, "both of utc and localtime are specified, use only one of them"
           elsif conf.has_key?('localtime')
             hash['localtime'] = Fluent::Config.bool_value(conf['localtime'])
@@ -217,6 +219,14 @@ def compat_parameters_inject(conf)
         conf
       end
 
+      def to_bool(v)
+        if  v.is_a?(FalseClass) || v == 'false' || v.nil?
+          false
+        else
+          true
+        end
+      end
+
       def compat_parameters_extract(conf)
         return unless conf.elements('extract').empty?
         return if EXTRACT_PARAMS.keys.all?{|k| !conf.has_key?(k) } && !conf.has_key?('format')
diff --git a/lib/fluent/time.rb b/lib/fluent/time.rb
index 3578ed0d2c..5c56c953e1 100644
--- a/lib/fluent/time.rb
+++ b/lib/fluent/time.rb
@@ -152,9 +152,7 @@ module TimeParameters
 
       def configure(conf)
         if conf.has_key?('localtime') || conf.has_key?('utc')
-          if conf.has_key?('localtime') && conf.has_key?('utc')
-            raise Fluent::ConfigError, "both of utc and localtime are specified, use only one of them"
-          elsif conf.has_key?('localtime')
+          if conf.has_key?('localtime')
             conf['localtime'] = Fluent::Config.bool_value(conf['localtime'])
           elsif conf.has_key?('utc')
             conf['localtime'] = !(Fluent::Config.bool_value(conf['utc']))
@@ -167,6 +165,10 @@ def configure(conf)
 
         super
 
+        if conf.has_key?('localtime') && conf.has_key?('utc') && !(@localtime ^ @utc)
+          raise Fluent::ConfigError, "both of utc and localtime are specified, use only one of them"
+        end
+
         Fluent::Timezone.validate!(@timezone) if @timezone
       end
     end
diff --git a/test/plugin/test_out_stdout.rb b/test/plugin/test_out_stdout.rb
index cbb028bcdc..4b89e114b2 100644
--- a/test/plugin/test_out_stdout.rb
+++ b/test/plugin/test_out_stdout.rb
@@ -157,6 +157,23 @@ def create_driver(conf = CONFIG)
     end
   end
 
+  data(
+    'utc and !localtime' => "utc true\nlocaltime false",
+    '!utc and localtime' => "utc false\nlocaltime true")
+  test  'configure with localtime and utc' do |c|
+    assert_nothing_raised do
+      create_driver(CONFIG + c)
+    end
+  end
+
+  data('utc and localtime' => "utc true\nlocaltime true",
+       '!utc and !localtime' => "utc false\nlocaltime false")
+  test  'configure with localtime and utc' do |c|
+    assert_raise(Fluent::ConfigError.new('both of utc and localtime are specified, use only one of them')) do
+      create_driver(CONFIG + c)
+    end
+  end
+
   # Capture the log output of the block given
   def capture_log(&block)
     tmp = $log
@@ -167,4 +184,3 @@ def capture_log(&block)
     $log = tmp
   end
 end
-