diff --git a/lib/bunyan.js b/lib/bunyan.js
index cb7c298..9e93d76 100644
--- a/lib/bunyan.js
+++ b/lib/bunyan.js
@@ -233,7 +233,7 @@ function resolveLevel(nameOrNum) {
  */
 function Logger(options, _childOptions, _childSimple) {
     xxx('Logger start:', options)
-    if (! this instanceof Logger) {
+    if (!(this instanceof Logger)) {
         return new Logger(options, _childOptions);
     }