diff --git a/lib/mocha.js b/lib/mocha.js
index c59b6d659a..c37f3c5dc8 100644
--- a/lib/mocha.js
+++ b/lib/mocha.js
@@ -487,10 +487,10 @@ Mocha.prototype.delay = function delay () {
  * Pending tests and test marked only or skip fail the suite
  * @returns {Mocha}
  */
- Mocha.prototype.productionMode = function() {
-   this.options.productionMode = true;
-   return this;
- };
+Mocha.prototype.productionMode = function () {
+  this.options.productionMode = true;
+  return this;
+};
 
 /**
  * Run tests and invoke `fn()` when complete.
diff --git a/lib/runner.js b/lib/runner.js
index e810cc9928..47c2e2b2e3 100644
--- a/lib/runner.js
+++ b/lib/runner.js
@@ -824,9 +824,9 @@ Runner.prototype.run = function (fn) {
     var failures = self.failures;
     if (self.productionMode) {
       if (self.hasOnly) {
-        failures += self.stats.tests
+        failures += self.stats.tests;
       } else {
-        failures += self.stats.pending
+        failures += self.stats.pending;
       }
     }
     debug('end');
diff --git a/test/integration/fixtures/options/production/only.js b/test/integration/fixtures/options/production/only.js
index 9ac9ca516c..23ba6bb70b 100644
--- a/test/integration/fixtures/options/production/only.js
+++ b/test/integration/fixtures/options/production/only.js
@@ -1,5 +1,5 @@
-describe('production mode - only', function() {
-  it('test1', function() {});
-  it.only('stest2', function() {});
-  it('test3', function() {});
+describe('production mode - only', function () {
+  it('test1', function () {});
+  it.only('stest2', function () {});
+  it('test3', function () {});
 });
diff --git a/test/integration/fixtures/options/production/pending.js b/test/integration/fixtures/options/production/pending.js
index 5d5d6105d4..41989cfc8f 100644
--- a/test/integration/fixtures/options/production/pending.js
+++ b/test/integration/fixtures/options/production/pending.js
@@ -1,5 +1,5 @@
-describe('production mode - pending', function() {
-  it('test1', function() {});
+describe('production mode - pending', function () {
+  it('test1', function () {});
   it('test2');
-  it('test3', function() {});
+  it('test3', function () {});
 });
diff --git a/test/integration/fixtures/options/production/skipped.js b/test/integration/fixtures/options/production/skipped.js
index 8b7dc3d757..aafc510eaf 100644
--- a/test/integration/fixtures/options/production/skipped.js
+++ b/test/integration/fixtures/options/production/skipped.js
@@ -1,5 +1,5 @@
-describe('production mode - skipped', function() {
-  it('test1', function() {});
-  it.skip('test2', function() {});
-  it('test3', function() {});
+describe('production mode - skipped', function () {
+  it('test1', function () {});
+  it.skip('test2', function () {});
+  it('test3', function () {});
 });
diff --git a/test/integration/options.spec.js b/test/integration/options.spec.js
index cf47c5c83f..275842cdc7 100644
--- a/test/integration/options.spec.js
+++ b/test/integration/options.spec.js
@@ -181,31 +181,31 @@ describe('options', function () {
     });
   });
 
-  describe('--production', function() {
-    before(function() {
+  describe('--production', function () {
+    before(function () {
       args = ['--production'];
     });
 
-    it('fails skipped tests', function(done) {
-      run('options/production/skipped.js', args, function(err, res) {
+    it('fails skipped tests', function (done) {
+      run('options/production/skipped.js', args, function (err, res) {
         assert(!err);
-        assert.equal(res.code, 1)
+        assert.equal(res.code, 1);
         done();
       });
     });
 
-    it('fails pending tests', function(done) {
-      run('options/production/pending.js', args, function(err, res) {
+    it('fails pending tests', function (done) {
+      run('options/production/pending.js', args, function (err, res) {
         assert(!err);
-        assert.equal(res.code, 1)
+        assert.equal(res.code, 1);
         done();
       });
     });
 
-    it('fails tests marked only', function(done) {
-      run('options/production/only.js', args, function(err, res) {
+    it('fails tests marked only', function (done) {
+      run('options/production/only.js', args, function (err, res) {
         assert(!err);
-        assert.equal(res.code, 1)
+        assert.equal(res.code, 1);
         done();
       });
     });