diff --git a/validator/impl/liteserver.cpp b/validator/impl/liteserver.cpp
index 7f6811fb..ac2932bc 100644
--- a/validator/impl/liteserver.cpp
+++ b/validator/impl/liteserver.cpp
@@ -509,7 +509,7 @@ void LiteQuery::get_block_handle_checked(BlockIdExt blkid, td::Promise<ConstBloc
           if (handle->is_applied()) {
             promise.set_result(std::move(handle));
           } else {
-            promise.set_error(td::Status::Error("block is not applied"));
+            promise.set_error(td::Status::Error(ErrorCode::notready, "block is not applied"));
           }
         }
       });
@@ -1471,7 +1471,7 @@ void LiteQuery::continue_getTransactions(unsigned remaining, bool exact) {
         } else {
           auto handle = res.move_as_ok();
           if (!handle->is_applied()) {
-            td::actor::send_closure(Self, &LiteQuery::abort_getTransactions, td::Status::Error("block is not applied"),
+            td::actor::send_closure(Self, &LiteQuery::abort_getTransactions, td::Status::Error(ErrorCode::notready, "block is not applied"),
                                     ton::BlockIdExt{});
             return;
           }
@@ -1801,7 +1801,7 @@ void LiteQuery::perform_lookupBlock(BlockId blkid, int mode, LogicalTime lt, Uni
         } else {
           auto handle = res.move_as_ok();
           if (!handle->is_applied()) {
-            td::actor::send_closure(Self, &LiteQuery::abort_query, td::Status::Error("block is not applied"));
+            td::actor::send_closure(Self, &LiteQuery::abort_query, td::Status::Error(ErrorCode::notready, "block is not applied"));
             return;
           }
           LOG(DEBUG) << "requesting data for block " << handle->id().to_str();