diff --git a/dbms/src/Storages/DeltaMerge/File/DMFileReader.cpp b/dbms/src/Storages/DeltaMerge/File/DMFileReader.cpp
index 885c7d6618c..b0db3fc3088 100644
--- a/dbms/src/Storages/DeltaMerge/File/DMFileReader.cpp
+++ b/dbms/src/Storages/DeltaMerge/File/DMFileReader.cpp
@@ -391,7 +391,7 @@ Block DMFileReader::read()
                 }
                 else if (cd.id == TAG_COLUMN_ID)
                 {
-                    column = cd.type->createColumnConst(read_rows, Field((UInt64)(pack_stats[start_pack_id].first_tag)));
+                    column = cd.type->createColumnConst(read_rows, Field(static_cast<UInt64>(pack_stats[start_pack_id].first_tag)));
                 }
 
                 res.insert(ColumnWithTypeAndName{column, cd.type, cd.name, cd.id});