diff --git a/td/telegram/MessagesManager.cpp b/td/telegram/MessagesManager.cpp
index e7eece3d..963f96bf 100644
--- a/td/telegram/MessagesManager.cpp
+++ b/td/telegram/MessagesManager.cpp
@@ -2127,15 +2127,7 @@ class SendMultiMediaActor : public NetActorOnce {
     auto query = G()->net_query_creator().create(create_storer(telegram_api::messages_sendMultiMedia(
         flags, false /*ignored*/, false /*ignored*/, false /*ignored*/, std::move(input_peer),
         reply_to_message_id.get_server_message_id().get(), std::move(input_single_media), schedule_date)));
-    if (G()->shared_config().get_option_boolean("use_quick_ack")) {
-      query->quick_ack_promise_ = PromiseCreator::lambda(
-          [random_ids = random_ids_](Unit) {
-            for (auto random_id : random_ids) {
-              send_closure(G()->messages_manager(), &MessagesManager::on_send_message_get_quick_ack, random_id);
-            }
-          },
-          PromiseCreator::Ignore());
-    }
+    // no quick ack, because file reference errors are very likely to happen
     query->debug("send to MessagesManager::MultiSequenceDispatcher");
     send_closure(td->messages_manager_->sequence_dispatcher_, &MultiSequenceDispatcher::send_with_callback,
                  std::move(query), actor_shared(this), sequence_dispatcher_id);
@@ -2251,7 +2243,7 @@ class SendMediaActor : public NetActorOnce {
                                              std::move(entities), schedule_date);
     LOG(INFO) << "Send media: " << to_string(request);
     auto query = G()->net_query_creator().create(create_storer(request));
-    if (G()->shared_config().get_option_boolean("use_quick_ack")) {
+    if (G()->shared_config().get_option_boolean("use_quick_ack") && was_uploaded_) {
       query->quick_ack_promise_ = PromiseCreator::lambda(
           [random_id](Unit) {
             send_closure(G()->messages_manager(), &MessagesManager::on_send_message_get_quick_ack, random_id);