diff --git a/lib/perf_hooks.js b/lib/perf_hooks.js
index 83e43af6cfd181..d822c5de71bd46 100644
--- a/lib/perf_hooks.js
+++ b/lib/perf_hooks.js
@@ -332,7 +332,7 @@ class PerformanceObserver extends AsyncResource {
   }
 
   observe(options) {
-    if (typeof options !== 'object' || options == null) {
+    if (typeof options !== 'object' || options === null) {
       throw new ERR_INVALID_ARG_TYPE('options', 'Object', options);
     }
     if (!Array.isArray(options.entryTypes)) {
diff --git a/lib/trace_events.js b/lib/trace_events.js
index 0d533c76a78253..f142afded15d56 100644
--- a/lib/trace_events.js
+++ b/lib/trace_events.js
@@ -73,7 +73,7 @@ class Tracing {
 }
 
 function createTracing(options) {
-  if (typeof options !== 'object' || options == null)
+  if (typeof options !== 'object' || options === null)
     throw new ERR_INVALID_ARG_TYPE('options', 'object', options);
 
   if (!Array.isArray(options.categories)) {