diff --git a/addons/stock/wizard/stock_import_lot_views.xml b/addons/stock/wizard/stock_import_lot_views.xml
index ad246bf9d81..ba9b38cee63 100644
--- a/addons/stock/wizard/stock_import_lot_views.xml
+++ b/addons/stock/wizard/stock_import_lot_views.xml
@@ -16,7 +16,7 @@
                     <field name="picking_code" invisible="1"/>
                     <field name="move_id" invisible="1"/>
                     <field name="move_location_dest_id" invisible="1"/>
-                    <field name="lots"/>
+                    <field name="lots" required="1"/>
                     <field name="location_dest_id" attrs="{'invisible': [('picking_code', '=', 'outgoing')]}"/>
                 </group>
             </group>