diff --git a/purchase_order_line_menu/views/purchase_order_line_views.xml b/purchase_order_line_menu/views/purchase_order_line_views.xml
index 3c16c1699d0..93e38910b21 100644
--- a/purchase_order_line_menu/views/purchase_order_line_views.xml
+++ b/purchase_order_line_menu/views/purchase_order_line_views.xml
@@ -14,6 +14,9 @@
+
+ many2one
+