diff --git a/validator/manager-disk.cpp b/validator/manager-disk.cpp
index f14fa3af..8818c86a 100644
--- a/validator/manager-disk.cpp
+++ b/validator/manager-disk.cpp
@@ -875,7 +875,8 @@ void ValidatorManagerImpl::get_top_masterchain_state_block(
       std::pair<td::Ref<MasterchainState>, BlockIdExt>{last_masterchain_state_, last_masterchain_block_id_});
 }
 
-void get_last_liteserver_state_block(td::Promise<std::pair<td::Ref<MasterchainState>, BlockIdExt>> promise) {
+void ValidatorManagerImpl::get_last_liteserver_state_block(
+    td::Promise<std::pair<td::Ref<MasterchainState>, BlockIdExt>> promise) {
   return get_top_masterchain_state_block(std::move(promise));
 }