diff --git a/packages/nocodb/src/db/BaseModelSqlv2.ts b/packages/nocodb/src/db/BaseModelSqlv2.ts
index e7193856b5..e1fa402c46 100644
--- a/packages/nocodb/src/db/BaseModelSqlv2.ts
+++ b/packages/nocodb/src/db/BaseModelSqlv2.ts
@@ -5669,11 +5669,10 @@ class BaseModelSqlv2 {
           data[column.column_name] = Noco.ncMeta.now();
         }
         if (
-          !isInsertData &&
           column.uidt === UITypes.LastModifiedTime &&
           column.system
         ) {
-          data[column.column_name] = Noco.ncMeta.now();
+          data[column.column_name] = isInsertData ? null : Noco.ncMeta.now();
         }
         if (column.uidt === UITypes.Attachment) {
           if (data[column.column_name]) {