diff --git a/td/telegram/PhoneNumberManager.cpp b/td/telegram/PhoneNumberManager.cpp
index 835ba1911..4c8742efd 100644
--- a/td/telegram/PhoneNumberManager.cpp
+++ b/td/telegram/PhoneNumberManager.cpp
@@ -213,6 +213,14 @@ void PhoneNumberManager::on_send_code_result(NetQueryPtr &result) {
 
   LOG(INFO) << "Receive " << to_string(sent_code);
 
+  switch (sent_code->type_->get_id()) {
+    case telegram_api::auth_sentCodeTypeSetUpEmailRequired::ID:
+    case telegram_api::auth_sentCodeTypeEmailCode::ID:
+      return on_query_error(Status::Error(500, "Receive incorrect response"));
+    default:
+      break;
+  }
+
   send_code_helper_.on_sent_code(std::move(sent_code));
 
   state_ = State::WaitCode;
diff --git a/td/telegram/SendCodeHelper.cpp b/td/telegram/SendCodeHelper.cpp
index 993268f05..989e2a8f0 100644
--- a/td/telegram/SendCodeHelper.cpp
+++ b/td/telegram/SendCodeHelper.cpp
@@ -13,7 +13,7 @@ namespace td {
 
 void SendCodeHelper::on_sent_code(telegram_api::object_ptr<telegram_api::auth_sentCode> sent_code) {
   phone_code_hash_ = std::move(sent_code->phone_code_hash_);
-  sent_code_info_ = get_authentication_code_info(std::move(sent_code->type_));
+  sent_code_info_ = get_sent_authentication_code_info(std::move(sent_code->type_));
   next_code_info_ = get_authentication_code_info(std::move(sent_code->next_type_));
   next_code_timestamp_ = Timestamp::in((sent_code->flags_ & SENT_CODE_FLAG_HAS_TIMEOUT) != 0 ? sent_code->timeout_ : 0);
 }
@@ -124,7 +124,7 @@ SendCodeHelper::AuthenticationCodeInfo SendCodeHelper::get_authentication_code_i
   }
 }
 
-SendCodeHelper::AuthenticationCodeInfo SendCodeHelper::get_authentication_code_info(
+SendCodeHelper::AuthenticationCodeInfo SendCodeHelper::get_sent_authentication_code_info(
     tl_object_ptr<telegram_api::auth_SentCodeType> &&sent_code_type_ptr) {
   CHECK(sent_code_type_ptr != nullptr);
   switch (sent_code_type_ptr->get_id()) {
@@ -151,7 +151,6 @@ SendCodeHelper::AuthenticationCodeInfo SendCodeHelper::get_authentication_code_i
     }
     case telegram_api::auth_sentCodeTypeEmailCode::ID:
     case telegram_api::auth_sentCodeTypeSetUpEmailRequired::ID:
-      return AuthenticationCodeInfo();
     default:
       UNREACHABLE();
       return AuthenticationCodeInfo();
diff --git a/td/telegram/SendCodeHelper.h b/td/telegram/SendCodeHelper.h
index 6ace7fad4..e4cff30c4 100644
--- a/td/telegram/SendCodeHelper.h
+++ b/td/telegram/SendCodeHelper.h
@@ -87,7 +87,7 @@ class SendCodeHelper {
 
   static AuthenticationCodeInfo get_authentication_code_info(
       tl_object_ptr<telegram_api::auth_CodeType> &&code_type_ptr);
-  static AuthenticationCodeInfo get_authentication_code_info(
+  static AuthenticationCodeInfo get_sent_authentication_code_info(
       tl_object_ptr<telegram_api::auth_SentCodeType> &&sent_code_type_ptr);
 
   static td_api::object_ptr<td_api::AuthenticationCodeType> get_authentication_code_type_object(