diff --git a/beesdoo_purchase/views/purchase_order.xml b/beesdoo_purchase/views/purchase_order.xml
index e3e255a..1cebade 100644
--- a/beesdoo_purchase/views/purchase_order.xml
+++ b/beesdoo_purchase/views/purchase_order.xml
@@ -1,14 +1,17 @@
 <openerp>
-	<data>
-		<record model="ir.ui.view" id="beesdoo_purchase_order_form_view">
-			<field name="name">beesdoo.purchase.order.form.view</field>
-			<field name="model">purchase.order</field>
-			<field name="inherit_id" ref="purchase.purchase_order_form" />
-			<field name="arch" type="xml">
-				<field name="product_id" position="attributes">
-					<attributes domain="[('main_seller_id','=','parent.partner_id')]" />
-				</field>
-			</field>
-		</record>
-	</data>
-</openerp>
\ No newline at end of file
+    <data>
+        <record model="ir.ui.view" id="beesdoo_purchase_order_form_view">
+            <field name="name">beesdoo.purchase.order.form.view</field>
+            <field name="model">purchase.order</field>
+            <field name="inherit_id" ref="purchase.purchase_order_form" />
+            <field name="arch" type="xml">
+                <field name="product_id" position="attributes">
+                    <attribute name="domain">[('main_seller_id','=', parent.partner_id)]</attribute>
+                </field>
+                <field name="date_planned"  position="attributes">
+                    <attribute name="readonly">0</attribute>
+                </field>
+            </field>
+        </record>
+    </data>
+</openerp>