1 files changed, 7 insertions, 1 deletions
diff --git a/ext/web/06_streams.js b/ext/web/06_streams.js
index 52488efb6..6dbf69951 100644
--- a/ext/web/06_streams.js
+++ b/ext/web/06_streams.js
@@ -193,7 +193,13 @@
    * @returns {boolean}
    */
   function isDetachedBuffer(O) {
-    return ReflectHas(O, isFakeDetached);
+    if (O.byteLength !== 0) {
+      return false;
+    }
+    // TODO(marcosc90) remove isFakeDetached once transferArrayBuffer
+    // actually detaches the buffer
+    return ReflectHas(O, isFakeDetached) ||
+      core.ops.op_arraybuffer_was_detached(O);
   }
 
   /**