diff --git a/lib/bunyan.js b/lib/bunyan.js
index 3f0bf5c..fdc250e 100644
--- a/lib/bunyan.js
+++ b/lib/bunyan.js
@@ -63,7 +63,7 @@ function objCopy(obj) {
         return obj;
     } else if (Array.isArray(obj)) {
         return obj.slice();
-    } else if (typeof obj === 'object') {
+    } else if (typeof (obj) === 'object') {
         var copy = {};
         Object.keys(obj).forEach(function (k) {
             copy[k] = obj[k];