diff --git a/lib/internal/fs/promises.js b/lib/internal/fs/promises.js
index 0f1db035629c42..1e9573d0385fd0 100644
--- a/lib/internal/fs/promises.js
+++ b/lib/internal/fs/promises.js
@@ -670,7 +670,7 @@ async function read(handle, bufferOrParams, offset, length, position) {
     validateInteger(offset, 'offset', 0);
   }
 
-  length = length ?? buffer.byteLength - offset;
+  length ??= buffer.byteLength - offset;
 
   if (length === 0)
     return { __proto__: null, bytesRead: length, buffer };