diff --git a/lib/mongodb/mongo_client.js b/lib/mongodb/mongo_client.js
index 853adf3a55..b33749021d 100644
--- a/lib/mongodb/mongo_client.js
+++ b/lib/mongodb/mongo_client.js
@@ -26,9 +26,9 @@ var Db = require('./db').Db;
  * @param {Object} [options] additional options for the collection.
  */
 function MongoClient(serverConfig, options) {
-  options = options == null ? {} : options;
+  options = options === null ? {} : options;
   // If no write concern is set set the default to w:1
-  if(options != null && !options.journal && !options.w && !options.fsync) {    
+  if(options != null && !options.journal && !options.w && !options.fsync) {
     options.w = 1;
   }
 
@@ -43,7 +43,7 @@ function MongoClient(serverConfig, options) {
  * @return {null}
  * @api public
  */
-MongoClient.prototype.open = function(callback) {  
+MongoClient.prototype.open = function(callback) {
   // Self reference
   var self = this;
 
@@ -60,7 +60,7 @@ MongoClient.prototype.open = function(callback) {
  * @return {null}
  * @api public
  */
-MongoClient.prototype.close = function(callback) {  
+MongoClient.prototype.close = function(callback) {
   this._db.close(callback);
 }
 
@@ -71,7 +71,7 @@ MongoClient.prototype.close = function(callback) {
  * @return {Db} a db instance using the new database.
  * @api public
  */
-MongoClient.prototype.db = function(dbName) {  
+MongoClient.prototype.db = function(dbName) {
   return this._db.db(dbName);
 }
 
@@ -93,8 +93,8 @@ MongoClient.prototype.db = function(dbName) {
  * @return {null}
  * @api public
  */
-MongoClient.connect = function(url, options, callback) {  
-  if(typeof options == 'function') {
+MongoClient.connect = function(url, options, callback) {
+  if(typeof options === 'function') {
     callback = options;
     options = {};
   }
@@ -102,7 +102,7 @@ MongoClient.connect = function(url, options, callback) {
   Db.connect(url, options, function(err, db) {
     if(err) return callback(err, null);
     // If no write concern is set set the default to w:1
-    if(db.options != null && !db.options.safe && !db.options.journal && !db.options.w && !db.options.fsync) {    
+    if(db.options !== null && !db.options.safe && !db.options.journal && !db.options.w && !db.options.fsync) {
       db.options.w = 1;
     }
     // Return the db