1 files changed, 4 insertions, 2 deletions
diff --git a/lib/_stream_readable.js b/lib/_stream_readable.js
index 7c9a14f439..0d83ada205 100644
--- a/lib/_stream_readable.js
+++ b/lib/_stream_readable.js
@@ -23,6 +23,8 @@
 
 const {
   ArrayIsArray,
+  NumberIsInteger,
+  NumberIsNaN,
   ObjectDefineProperty,
   ObjectSetPrototypeOf,
 } = primordials;
@@ -406,7 +408,7 @@ function howMuchToRead(n, state) {
     return 0;
   if (state.objectMode)
     return 1;
-  if (Number.isNaN(n)) {
+  if (NumberIsNaN(n)) {
     // Only flow one buffer at a time
     if (state.flowing && state.length)
       return state.buffer.first().length;
@@ -425,7 +427,7 @@ Readable.prototype.read = function(n) {
   // in this scenario, so we are doing it manually.
   if (n === undefined) {
     n = NaN;
-  } else if (!Number.isInteger(n)) {
+  } else if (!NumberIsInteger(n)) {
     n = parseInt(n, 10);
   }
   const state = this._readableState;