diff --git a/components/script/dom/writablestreamdefaultcontroller.rs b/components/script/dom/writablestreamdefaultcontroller.rs
index 4e6a44b9f5a..751f5d8d976 100644
--- a/components/script/dom/writablestreamdefaultcontroller.rs
+++ b/components/script/dom/writablestreamdefaultcontroller.rs
@@ -555,7 +555,7 @@ impl WritableStreamDefaultController {
                     promise.reject_error(error, can_gc);
                 } else {
                     // Otherwise, return a promise resolved with undefined.
-                    promise.reject_native(&(), can_gc);
+                    promise.resolve_native(&(), can_gc);
                 }
                 promise
             },
diff --git a/tests/wpt/meta/streams/transferable/writable-stream.html.ini b/tests/wpt/meta/streams/transferable/writable-stream.html.ini
index 8e83ffc29e4..47326208f88 100644
--- a/tests/wpt/meta/streams/transferable/writable-stream.html.ini
+++ b/tests/wpt/meta/streams/transferable/writable-stream.html.ini
@@ -1,4 +1,3 @@
 [writable-stream.html]
-  expected: ERROR
   [window.postMessage should be able to transfer a {readable, writable} pair]
     expected: FAIL