diff --git a/packages/nocodb/src/lib/db/sql-data-mapper/lib/sql/BaseModelSqlv2.ts b/packages/nocodb/src/lib/db/sql-data-mapper/lib/sql/BaseModelSqlv2.ts
index 6c20ec4089..a87241315d 100644
--- a/packages/nocodb/src/lib/db/sql-data-mapper/lib/sql/BaseModelSqlv2.ts
+++ b/packages/nocodb/src/lib/db/sql-data-mapper/lib/sql/BaseModelSqlv2.ts
@@ -1552,8 +1552,9 @@ class BaseModelSqlv2 {
           switch (colOptions.type) {
             case RelationTypes.BELONGS_TO:
               {
-                const parentCol = await colOptions.getChildColumn();
-                insertObj[parentCol.column_name] =
+                const childCol = await colOptions.getChildColumn();
+                const parentCol = await colOptions.getParentColumn();
+                insertObj[childCol.column_name] =
                   nestedData?.[parentCol.title];
               }
               break;