diff --git a/lib/appenders/redis.js b/lib/appenders/redis.js
index cf2144d..4490c31 100644
--- a/lib/appenders/redis.js
+++ b/lib/appenders/redis.js
@@ -6,36 +6,32 @@ var util = require('util');
 
 function redisAppender(host, port, pass, channel, layout) {
   layout = layout || layouts.messagePassThroughLayout;
-  var redisClient = redis.createClient(port, host, {auth_pass: pass});
+  let redisClient = redis.createClient(port, host, {auth_pass: pass});
   redisClient.on('error', function (err) {
     if (err) {
-      console.error(
-        'log4js.redisAppender - %s:%p Error: %s', host, port, util.inspect(err)
-      );
+      console.error('log4js.redisAppender - %s:%p Error: %s', host, port, util.inspect(err));
     }
   });
   return function (loggingEvent) {
-  var message = layout(loggingEvent);
+    let message = layout(loggingEvent);
     redisClient.publish(channel, message, function (err) {
       if (err) {
-        console.error(
-          'log4js.redisAppender - %s:%p Error: %s', host, port, util.inspect(err)
-        );
+        console.error('log4js.redisAppender - %s:%p Error: %s', host, port, util.inspect(err));
       }
     });
   };
 }
 
 function configure(config) {
-  var layout, host, port, pass, channel;
+  let layout, host, port, pass, channel;
   if (config.layout) {
     layout = layouts.layout(config.layout.type, config.layout);
   }
   host = config.host ? config.host : '127.0.0.1';
-	port = config.port ? config.port : 6379;
-	pass = config.pass ? config.pass : '';
-	channel = config.channel ? config.channel : 'log';
-	return redisAppender(host, port, pass, channel, layout);
+  port = config.port ? config.port : 6379;
+  pass = config.pass ? config.pass : '';
+  channel = config.channel ? config.channel : 'log';
+  return redisAppender(host, port, pass, channel, layout);
 }
 
 exports.appender = redisAppender;