diff --git a/td/telegram/AnimationsManager.cpp b/td/telegram/AnimationsManager.cpp
index a741ec14..7ef15358 100644
--- a/td/telegram/AnimationsManager.cpp
+++ b/td/telegram/AnimationsManager.cpp
@@ -225,7 +225,7 @@ FileId AnimationsManager::on_get_animation(unique_ptr<Animation> new_animation,
 const AnimationsManager::Animation *AnimationsManager::get_animation(FileId file_id) const {
   auto animation = animations_.find(file_id);
   if (animation == animations_.end()) {
-    return Animation{};
+    return make_unique<Animation>().get();
   }
 
   CHECK(animation->second->file_id == file_id);
diff --git a/td/telegram/AudiosManager.cpp b/td/telegram/AudiosManager.cpp
index 0389f819..ce847d12 100644
--- a/td/telegram/AudiosManager.cpp
+++ b/td/telegram/AudiosManager.cpp
@@ -94,7 +94,7 @@ FileId AudiosManager::on_get_audio(unique_ptr<Audio> new_audio, bool replace) {
 const AudiosManager::Audio *AudiosManager::get_audio(FileId file_id) const {
   auto audio = audios_.find(file_id);
   if (audio == audios_.end()) {
-    return Audio{};
+    return make_unique<Audio>().get();
   }
 
   CHECK(audio->second->file_id == file_id);
diff --git a/td/telegram/DocumentsManager.cpp b/td/telegram/DocumentsManager.cpp
index 91878d3a..0fdebdf5 100644
--- a/td/telegram/DocumentsManager.cpp
+++ b/td/telegram/DocumentsManager.cpp
@@ -489,7 +489,7 @@ void DocumentsManager::create_document(FileId file_id, string minithumbnail, Pho
 const DocumentsManager::GeneralDocument *DocumentsManager::get_document(FileId file_id) const {
   auto document = documents_.find(file_id);
   if (document == documents_.end()) {
-    return GeneralDocument{};
+    return make_unique<GeneralDocument>().get();
   }
 
   CHECK(document->second->file_id == file_id);
diff --git a/td/telegram/StickersManager.cpp b/td/telegram/StickersManager.cpp
index eac67586..5c6f4d6d 100644
--- a/td/telegram/StickersManager.cpp
+++ b/td/telegram/StickersManager.cpp
@@ -1607,7 +1607,7 @@ std::pair<int64, FileId> StickersManager::on_get_sticker_document(
 StickersManager::Sticker *StickersManager::get_sticker(FileId file_id) {
   auto sticker = stickers_.find(file_id);
   if (sticker == stickers_.end()) {
-    return Sticker{};
+    return make_unique<Sticker>().get();
   }
 
   CHECK(sticker->second->file_id == file_id);
@@ -1627,7 +1627,7 @@ const StickersManager::Sticker *StickersManager::get_sticker(FileId file_id) con
 StickersManager::StickerSet *StickersManager::get_sticker_set(StickerSetId sticker_set_id) {
   auto sticker_set = sticker_sets_.find(sticker_set_id);
   if (sticker_set == sticker_sets_.end()) {
-    return StickerSet{};
+    return make_unique<StickerSet>().get();
   }
 
   return sticker_set->second.get();
diff --git a/td/telegram/VideoNotesManager.cpp b/td/telegram/VideoNotesManager.cpp
index 0d5e8f70..8e9b8db0 100644
--- a/td/telegram/VideoNotesManager.cpp
+++ b/td/telegram/VideoNotesManager.cpp
@@ -84,11 +84,11 @@ FileId VideoNotesManager::on_get_video_note(unique_ptr<VideoNote> new_video_note
 const VideoNotesManager::VideoNote *VideoNotesManager::get_video_note(FileId file_id) const {
   auto video_note = video_notes_.find(file_id);
   if (video_note == video_notes_.end()) {
-    return VideoNote{};
+    return make_unique<VideoNote>().get();
   }
 
   if (video_note->second->file_id != file_id) {
-      return VideoNote{};
+      return make_unique<VideoNote>().get();
   }
   return video_note->second.get();
 }
diff --git a/td/telegram/VoiceNotesManager.cpp b/td/telegram/VoiceNotesManager.cpp
index f7c1390a..5ec3fa35 100644
--- a/td/telegram/VoiceNotesManager.cpp
+++ b/td/telegram/VoiceNotesManager.cpp
@@ -71,7 +71,7 @@ FileId VoiceNotesManager::on_get_voice_note(unique_ptr<VoiceNote> new_voice_note
 const VoiceNotesManager::VoiceNote *VoiceNotesManager::get_voice_note(FileId file_id) const {
   auto voice_note = voice_notes_.find(file_id);
   if (voice_note == voice_notes_.end()) {
-    return VoiceNote{};
+    return make_unique<VoiceNote>().get();
   }
 
   CHECK(voice_note->second->file_id == file_id);