fix string uppercase

1 files changed, 1 insertions, 1 deletions

diff --git a/ydb/core/grpc_services/rpc_object_storage.cpp b/ydb/core/grpc_services/rpc_object_storage.cpp
index 3da01fba008..0a6d7500b39 100644
--- a/ydb/core/grpc_services/rpc_object_storage.cpp
+++ b/ydb/core/grpc_services/rpc_object_storage.cpp
@@ -806,7 +806,7 @@ private:
         TString prefixColumns = PrefixColumns.GetBuffer();
         TString lastCommonPrefix = NextPrefix(CommonPrefixesRows.back());
 
-        TSerializedCellVec::UnsafeAppendCells({TCell(lastCommonPrefix.Data(), lastCommonPrefix.Size())}, prefixColumns);
+        TSerializedCellVec::UnsafeAppendCells({TCell(lastCommonPrefix.data(), lastCommonPrefix.size())}, prefixColumns);
 
         TSerializedCellVec afterLastFolderPrefix;
         afterLastFolderPrefix.Parse(prefixColumns);