diff --git a/lib/middleware/authenticate.js b/lib/middleware/authenticate.js
index ce290f21..78718d99 100644
--- a/lib/middleware/authenticate.js
+++ b/lib/middleware/authenticate.js
@@ -68,7 +68,7 @@ var http = require('http')
  * @api public
  */
 module.exports = function authenticate(passport, name, options, callback) {
-  if (typeof options == 'function') {
+  if (typeof options === 'function') {
     callback = options;
     options = {};
   }
@@ -123,23 +123,23 @@ module.exports = function authenticate(passport, name, options, callback) {
     
       if (options.failureFlash) {
         var flash = options.failureFlash;
-        if (typeof flash == 'string') {
+        if (typeof flash === 'string') {
           flash = { type: 'error', message: flash };
         }
         flash.type = flash.type || 'error';
       
         var type = flash.type || challenge.type || 'error';
         msg = flash.message || challenge.message || challenge;
-        if (typeof msg == 'string') {
+        if (typeof msg === 'string') {
           req.flash(type, msg);
         }
       }
       if (options.failureMessage) {
         msg = options.failureMessage;
-        if (typeof msg == 'boolean') {
+        if (typeof msg === 'boolean') {
           msg = challenge.message || challenge;
         }
-        if (typeof msg == 'string') {
+        if (typeof msg === 'string') {
           req.session.messages = req.session.messages || [];
           req.session.messages.push(msg);
         }
@@ -162,13 +162,13 @@ module.exports = function authenticate(passport, name, options, callback) {
         status = failure.status;
           
         rstatus = rstatus || status;
-        if (typeof challenge == 'string') {
+        if (typeof challenge === 'string') {
           rchallenge.push(challenge);
         }
       }
     
       res.statusCode = rstatus || 401;
-      if (res.statusCode == 401 && rchallenge.length) {
+      if (res.statusCode === 401 && rchallenge.length) {
         res.setHeader('WWW-Authenticate', rchallenge);
       }
       if (options.failWithError) {
@@ -186,7 +186,7 @@ module.exports = function authenticate(passport, name, options, callback) {
       // a new instance.  Action functions will then be bound to the strategy
       // within the context of the HTTP request/response pair.
       var strategy, prototype;
-      if (typeof layer.authenticate == 'function') {
+      if (typeof layer.authenticate === 'function') {
         strategy = layer;
       } else {
         prototype = passport._strategy(layer);
@@ -227,23 +227,23 @@ module.exports = function authenticate(passport, name, options, callback) {
       
         if (options.successFlash) {
           var flash = options.successFlash;
-          if (typeof flash == 'string') {
+          if (typeof flash === 'string') {
             flash = { type: 'success', message: flash };
           }
           flash.type = flash.type || 'success';
         
           var type = flash.type || info.type || 'success';
           msg = flash.message || info.message || info;
-          if (typeof msg == 'string') {
+          if (typeof msg === 'string') {
             req.flash(type, msg);
           }
         }
         if (options.successMessage) {
           msg = options.successMessage;
-          if (typeof msg == 'boolean') {
+          if (typeof msg === 'boolean') {
             msg = info.message || info;
           }
-          if (typeof msg == 'string') {
+          if (typeof msg === 'string') {
             req.session.messages = req.session.messages || [];
             req.session.messages.push(msg);
           }
@@ -294,7 +294,7 @@ module.exports = function authenticate(passport, name, options, callback) {
        * @api public
        */
       strategy.fail = function(challenge, status) {
-        if (typeof challenge == 'number') {
+        if (typeof challenge === 'number') {
           status = challenge;
           challenge = undefined;
         }