diff --git a/Userland/Libraries/LibWeb/Streams/AbstractOperations.cpp b/Userland/Libraries/LibWeb/Streams/AbstractOperations.cpp
index ccf4c15f015..5ad849e1532 100644
--- a/Userland/Libraries/LibWeb/Streams/AbstractOperations.cpp
+++ b/Userland/Libraries/LibWeb/Streams/AbstractOperations.cpp
@@ -306,9 +306,11 @@ JS::NonnullGCPtr<WebIDL::Promise> readable_stream_pipe_to(ReadableStream& source
 
     // FIXME: Currently a naive implementation that uses ReadableStreamDefaultReader::read_all_chunks() to read all chunks
     //        from the source and then through the callback success_steps writes those chunks to the destination.
-    auto chunk_steps = [&realm, writer](ByteBuffer chunk) {
-        auto buffer = JS::ArrayBuffer::create(realm, move(chunk));
-        auto promise = writable_stream_default_writer_write(writer, JS::Value { buffer });
+    auto chunk_steps = [&realm, writer](ByteBuffer buffer) {
+        auto array_buffer = JS::ArrayBuffer::create(realm, move(buffer));
+        auto chunk = JS::Uint8Array::create(realm, array_buffer->byte_length(), *array_buffer);
+
+        auto promise = writable_stream_default_writer_write(writer, chunk);
         WebIDL::resolve_promise(realm, promise, JS::js_undefined());
     };