diff --git a/procurement_usability/__openerp__.py b/procurement_usability/__openerp__.py
index e2e20ad..4d5b54a 100644
--- a/procurement_usability/__openerp__.py
+++ b/procurement_usability/__openerp__.py
@@ -37,7 +37,7 @@ This module has been written by Alexis de Lattre from Akretion <alexis.delattre@
     """,
     'author': 'Akretion',
     'website': 'http://www.akretion.com',
-    'depends': ['stock'],
+    'depends': ['sale_stock'],
     'data': ['procurement_view.xml'],
     'installable': True,
 }
diff --git a/procurement_usability/procurement_view.xml b/procurement_usability/procurement_view.xml
index 83da5e1..0bbc4b1 100644
--- a/procurement_usability/procurement_view.xml
+++ b/procurement_usability/procurement_view.xml
@@ -15,7 +15,7 @@
     <field name="inherit_id" ref="stock.view_procurement_form_stock_inherit"/>
     <field name="arch" type="xml">
         <field name="origin" position="after">
-            <field name="sale_line_id" readonly="True"/>
+            <field name="sale_line_id" readonly="True"/> <!-- field defined in the sale module -->
         </field>
         <xpath expr="//field[@name='company_id']/.." position="after">
             <group name="move_ids" string="Stock Moves" colspan="4">