1 files changed, 7 insertions, 0 deletions
diff --git a/lib/_stream_readable.js b/lib/_stream_readable.js
index d2de4122bb..5b73646db8 100644
--- a/lib/_stream_readable.js
+++ b/lib/_stream_readable.js
@@ -1075,6 +1075,13 @@ Object.defineProperty(Readable.prototype, 'readableObjectMode', {
   }
 });
 
+Object.defineProperty(Readable.prototype, 'readableEncoding', {
+  enumerable: false,
+  get() {
+    return this._readableState ? this._readableState.encoding : null;
+  }
+});
+
 // Pluck off n bytes from an array of buffers.
 // Length is the combined lengths of all the buffers in the list.
 // This function is designed to be inlinable, so please take care when making