diff --git a/sf_sale/views/purchase_order_view.xml b/sf_sale/views/purchase_order_view.xml
index eda8e59d..a45d8049 100644
--- a/sf_sale/views/purchase_order_view.xml
+++ b/sf_sale/views/purchase_order_view.xml
@@ -86,6 +86,18 @@
+
+
+
+
{'readonly': [('state', 'in', ['purchase'])]}