diff --git a/td/telegram/ConfigManager.cpp b/td/telegram/ConfigManager.cpp
index a4bb1748a..ffeadb10a 100644
--- a/td/telegram/ConfigManager.cpp
+++ b/td/telegram/ConfigManager.cpp
@@ -1606,12 +1606,8 @@ void ConfigManager::process_app_config(tl_object_ptr<telegram_api::JSONValue> &c
         continue;
       }
       if (key == "autoarchive_setting_available") {
-        if (value->get_id() == telegram_api::jsonBool::ID) {
-          can_archive_and_mute_new_chats_from_unknown_users =
-              std::move(static_cast<telegram_api::jsonBool *>(value)->value_);
-        } else {
-          LOG(ERROR) << "Receive unexpected autoarchive_setting_available " << to_string(*value);
-        }
+        can_archive_and_mute_new_chats_from_unknown_users =
+            get_json_value_bool(std::move(key_value->value_), "autoarchive_setting_available");
         continue;
       }
       if (key == "autologin_token") {
diff --git a/td/telegram/JsonValue.cpp b/td/telegram/JsonValue.cpp
index 197d388a8..254d6990b 100644
--- a/td/telegram/JsonValue.cpp
+++ b/td/telegram/JsonValue.cpp
@@ -199,6 +199,15 @@ string get_json_string(const td_api::JsonValue *json_value) {
   return json_encode<string>(JsonableJsonValue(json_value));
 }
 
+bool get_json_value_bool(telegram_api::object_ptr<telegram_api::JSONValue> &&json_value, Slice name) {
+  CHECK(json_value != nullptr);
+  if (json_value->get_id() == telegram_api::jsonBool::ID) {
+    return static_cast<const telegram_api::jsonBool *>(json_value.get())->value_;
+  }
+  LOG(ERROR) << "Expected Boolean as " << name << ", but found " << to_string(json_value);
+  return false;
+}
+
 int32 get_json_value_int(telegram_api::object_ptr<telegram_api::JSONValue> &&json_value, Slice name) {
   CHECK(json_value != nullptr);
   if (json_value->get_id() == telegram_api::jsonNumber::ID) {
diff --git a/td/telegram/JsonValue.h b/td/telegram/JsonValue.h
index acb972e96..51b1a748d 100644
--- a/td/telegram/JsonValue.h
+++ b/td/telegram/JsonValue.h
@@ -26,6 +26,8 @@ tl_object_ptr<telegram_api::JSONValue> convert_json_value(td_api::object_ptr<td_
 
 string get_json_string(const td_api::JsonValue *json_value);
 
+bool get_json_value_bool(telegram_api::object_ptr<telegram_api::JSONValue> &&json_value, Slice name);
+
 int32 get_json_value_int(telegram_api::object_ptr<telegram_api::JSONValue> &&json_value, Slice name);
 
 string get_json_value_string(telegram_api::object_ptr<telegram_api::JSONValue> &&json_value, Slice name);