diff --git a/lib/internal/fs/promises.js b/lib/internal/fs/promises.js
index e75b49eaa508be..b28bfe918a4e59 100644
--- a/lib/internal/fs/promises.js
+++ b/lib/internal/fs/promises.js
@@ -520,7 +520,7 @@ async function read(handle, bufferOrOptions, offset, length, position) {
       buffer = Buffer.alloc(16384);
     }
     offset = bufferOrOptions.offset || 0;
-    length = bufferOrOptions.length || buffer.byteLength;
+    length = bufferOrOptions.length ?? buffer.byteLength;
     position = bufferOrOptions.position ?? null;
   }