diff --git a/lib/stream.js b/lib/stream.js
index ed6cc19753c806..9ea9a0ceeebbab 100644
--- a/lib/stream.js
+++ b/lib/stream.js
@@ -49,28 +49,30 @@ Stream.PassThrough = require('_stream_passthrough');
 Stream.pipeline = pipeline;
 Stream.finished = eos;
 
+function lazyLoadPromises() {
+  if (promises === null) promises = require('stream/promises');
+  return promises;
+}
+
 ObjectDefineProperty(Stream, 'promises', {
   configurable: true,
   enumerable: true,
   get() {
-    if (promises === null) promises = require('stream/promises');
-    return promises;
+    return lazyLoadPromises();
   }
 });
 
 ObjectDefineProperty(pipeline, customPromisify, {
   enumerable: true,
   get() {
-    if (promises === null) promises = require('stream/promises');
-    return promises.pipeline;
+    return lazyLoadPromises().pipeline;
   }
 });
 
 ObjectDefineProperty(eos, customPromisify, {
   enumerable: true,
   get() {
-    if (promises === null) promises = require('stream/promises');
-    return promises.finished;
+    return lazyLoadPromises().finished;
   }
 });