diff --git a/td/telegram/ConfigManager.cpp b/td/telegram/ConfigManager.cpp
index 78190ba04..402c40f43 100644
--- a/td/telegram/ConfigManager.cpp
+++ b/td/telegram/ConfigManager.cpp
@@ -2151,7 +2151,7 @@ void ConfigManager::process_app_config(tl_object_ptr<telegram_api::JSONValue> &c
   }
 
   if (story_viewers_expire_period >= 0) {
-    options.set_option_integer("story_viewers_expire_period", story_viewers_expire_period);
+    options.set_option_integer("story_viewers_expiration_delay", story_viewers_expire_period);
   }
 
   if (!options.get_option_boolean("need_synchronize_archive_all_stories")) {
@@ -2163,6 +2163,7 @@ void ConfigManager::process_app_config(tl_object_ptr<telegram_api::JSONValue> &c
 
   options.set_option_empty("default_ton_blockchain_config");
   options.set_option_empty("default_ton_blockchain_name");
+  options.set_option_empty("story_viewers_expire_period");
 
   // do not update suggested actions while changing content settings or dismissing an action
   if (!is_set_content_settings_request_sent_ && dismiss_suggested_action_request_count_ == 0) {
diff --git a/td/telegram/OptionManager.cpp b/td/telegram/OptionManager.cpp
index 89233321f..ac8e6ac02 100644
--- a/td/telegram/OptionManager.cpp
+++ b/td/telegram/OptionManager.cpp
@@ -296,7 +296,7 @@ bool OptionManager::is_internal_option(Slice name) {
              name == "saved_gifs_limit_premium" || name == "session_count" || name == "since_last_open" ||
              name == "stickers_faved_limit_default" || name == "stickers_faved_limit_premium" ||
              name == "stickers_normal_by_emoji_per_premium_num" || name == "stickers_premium_by_emoji_num" ||
-             name == "stories_changelog_user_id" || name == "story_viewers_expire_period";
+             name == "stories_changelog_user_id";
     case 'v':
       return name == "video_note_size_max";
     case 'w':
diff --git a/td/telegram/StoryManager.cpp b/td/telegram/StoryManager.cpp
index c3f9b19a9..ad96d370f 100644
--- a/td/telegram/StoryManager.cpp
+++ b/td/telegram/StoryManager.cpp
@@ -969,7 +969,7 @@ bool StoryManager::is_active_story(const Story *story) {
 
 int32 StoryManager::get_story_viewers_expire_date(const Story *story) const {
   return story->expire_date_ +
-         narrow_cast<int32>(td_->option_manager_->get_option_integer("story_viewers_expire_period", 86400));
+         narrow_cast<int32>(td_->option_manager_->get_option_integer("story_viewers_expiration_delay", 86400));
 }
 
 const StoryManager::Story *StoryManager::get_story(StoryFullId story_full_id) const {