diff --git a/td/telegram/ContactsManager.cpp b/td/telegram/ContactsManager.cpp
index 5f9d4a017..7b2d22eea 100644
--- a/td/telegram/ContactsManager.cpp
+++ b/td/telegram/ContactsManager.cpp
@@ -8349,6 +8349,15 @@ void ContactsManager::on_load_chat_full_from_database(ChatId chat_id, string val
     get_bot_info_force(participant.user_id);
   }
 
+  Chat *c = get_chat(chat_id);
+  CHECK(c != nullptr);
+  if (td_->file_manager_->get_file_view(c->photo.small_file_id).get_unique_file_id() !=
+      td_->file_manager_->get_file_view(as_dialog_photo(chat_full->photo).small_file_id).get_unique_file_id()) {
+    chat_full->photo = Photo();
+    if (c->photo.small_file_id.is_valid()) {
+      reload_chat_full(chat_id, Auto());
+    }
+  }
   on_update_chat_full_photo(chat_full, chat_id, std::move(chat_full->photo));
 
   update_chat_full(chat_full, chat_id, true);
@@ -8427,6 +8436,15 @@ void ContactsManager::on_load_channel_full_from_database(ChannelId channel_id, s
     get_bot_info_force(user_id);
   }
 
+  Channel *c = get_channel(channel_id);
+  CHECK(c != nullptr);
+  if (td_->file_manager_->get_file_view(c->photo.small_file_id).get_unique_file_id() !=
+      td_->file_manager_->get_file_view(as_dialog_photo(channel_full->photo).small_file_id).get_unique_file_id()) {
+    channel_full->photo = Photo();
+    if (c->photo.small_file_id.is_valid()) {
+      channel_full->expires_at = 0.0;
+    }
+  }
   on_update_channel_full_photo(channel_full, channel_id, std::move(channel_full->photo));
 
   update_channel_full(channel_full, channel_id, true);
diff --git a/td/telegram/files/FileManager.cpp b/td/telegram/files/FileManager.cpp
index 043552af0..0f99d9724 100644
--- a/td/telegram/files/FileManager.cpp
+++ b/td/telegram/files/FileManager.cpp
@@ -756,23 +756,27 @@ string FileView::get_persistent_id(const FullRemoteFileLocation &location) {
 }
 
 string FileView::get_persistent_file_id() const {
-  if (has_alive_remote_location()) {
-    return get_persistent_id(remote_location());
-  } else if (has_url()) {
-    return url();
-  } else if (has_generate_location() && begins_with(generate_location().conversion_, "#map#")) {
-    return get_persistent_id(generate_location());
+  if (!empty()) {
+    if (has_alive_remote_location()) {
+      return get_persistent_id(remote_location());
+    } else if (has_url()) {
+      return url();
+    } else if (has_generate_location() && begins_with(generate_location().conversion_, "#map#")) {
+      return get_persistent_id(generate_location());
+    }
   }
   return string();
 }
 
 string FileView::get_unique_file_id() const {
-  if (has_alive_remote_location()) {
-    if (!remote_location().is_web()) {
-      return get_unique_id(remote_location());
+  if (!empty()) {
+    if (has_alive_remote_location()) {
+      if (!remote_location().is_web()) {
+        return get_unique_id(remote_location());
+      }
+    } else if (has_generate_location() && begins_with(generate_location().conversion_, "#map#")) {
+      return get_unique_id(generate_location());
     }
-  } else if (has_generate_location() && begins_with(generate_location().conversion_, "#map#")) {
-    return get_unique_id(generate_location());
   }
   return string();
 }