diff --git a/benchmark/common.js b/benchmark/common.js
index 158354004cd6bb..ecd88e46524670 100644
--- a/benchmark/common.js
+++ b/benchmark/common.js
@@ -60,7 +60,7 @@ function runBenchmarks() {
   if (test.match(/^[\._]/))
     return process.nextTick(runBenchmarks);
 
-  if (outputFormat == 'default')
+  if (outputFormat === 'default')
     console.error(type + '/' + test);
 
   test = path.resolve(dir, test);
@@ -160,7 +160,7 @@ Benchmark.prototype._run = function() {
   }, [[main]]);
 
   // output csv heading
-  if (outputFormat == 'csv')
+  if (outputFormat === 'csv')
     console.log('filename,' + Object.keys(options).join(',') + ',result');
 
   var node = process.execPath;
@@ -229,9 +229,9 @@ Benchmark.prototype.end = function(operations) {
 Benchmark.prototype.report = function(value) {
   var heading = this.getHeading();
 
-  if (outputFormat == 'default')
+  if (outputFormat === 'default')
     console.log('%s: %s', heading, value.toFixed(5));
-  else if (outputFormat == 'csv')
+  else if (outputFormat === 'csv')
     console.log('%s,%s', heading, value.toFixed(5));
 
   process.exit(0);
@@ -240,11 +240,11 @@ Benchmark.prototype.report = function(value) {
 Benchmark.prototype.getHeading = function() {
   var conf = this.config;
 
-  if (outputFormat == 'default') {
+  if (outputFormat === 'default') {
     return this._name + ' ' + Object.keys(conf).map(function(key) {
       return key + '=' + conf[key];
     }).join(' ');
-  } else if (outputFormat == 'csv') {
+  } else if (outputFormat === 'csv') {
     return this._name + ',' + Object.keys(conf).map(function(key) {
       return conf[key];
     }).join(',');
diff --git a/benchmark/http_simple.js b/benchmark/http_simple.js
index 36800f2c9dba5a..915d34d0148b73 100644
--- a/benchmark/http_simple.js
+++ b/benchmark/http_simple.js
@@ -36,7 +36,7 @@ var server = module.exports = http.createServer(function (req, res) {
   var n_chunks = parseInt(commands[3], 10);
   var status = 200;
 
-  if (command == 'bytes') {
+  if (command === 'bytes') {
     var n = ~~arg;
     if (n <= 0)
       throw new Error('bytes called with n <= 0')
@@ -45,7 +45,7 @@ var server = module.exports = http.createServer(function (req, res) {
     }
     body = storedBytes[n];
 
-  } else if (command == 'buffer') {
+  } else if (command === 'buffer') {
     var n = ~~arg;
     if (n <= 0)
       throw new Error('buffer called with n <= 0');
@@ -57,7 +57,7 @@ var server = module.exports = http.createServer(function (req, res) {
     }
     body = storedBuffer[n];
 
-  } else if (command == 'unicode') {
+  } else if (command === 'unicode') {
     var n = ~~arg;
     if (n <= 0)
       throw new Error('unicode called with n <= 0');
@@ -66,14 +66,14 @@ var server = module.exports = http.createServer(function (req, res) {
     }
     body = storedUnicode[n];
 
-  } else if (command == 'quit') {
+  } else if (command === 'quit') {
     res.connection.server.close();
     body = 'quitting';
 
-  } else if (command == 'fixed') {
+  } else if (command === 'fixed') {
     body = fixed;
 
-  } else if (command == 'echo') {
+  } else if (command === 'echo') {
     res.writeHead(200, { 'Content-Type': 'text/plain',
                          'Transfer-Encoding': 'chunked' });
     req.pipe(res);
diff --git a/benchmark/http_simple_auto.js b/benchmark/http_simple_auto.js
index f72cc01e60aa46..5d67d89dc91198 100644
--- a/benchmark/http_simple_auto.js
+++ b/benchmark/http_simple_auto.js
@@ -109,7 +109,7 @@ server.listen(port, function () {
 });
 
 function dump_mm_stats() {
-  if (typeof gc != 'function') return;
+  if (typeof gc !== 'function') return;
 
   var before = process.memoryUsage();
   for (var i = 0; i < 10; ++i) gc();