diff --git a/addons/purchase/views/purchase_views.xml b/addons/purchase/views/purchase_views.xml
index 5ef3e424c4f..99a72f62101 100644
--- a/addons/purchase/views/purchase_views.xml
+++ b/addons/purchase/views/purchase_views.xml
@@ -290,8 +290,8 @@
                                                        groups="analytic.group_analytic_accounting"
                                                        options="{'product_field': 'product_id', 'business_domain': 'purchase_order'}"/>
                                             </group>
-                                            <group colspan="12">
-                                            <notebook>
+                                            <group>
+                                            <notebook colspan="4">
                                                 <page string="Notes" name="notes">
                                                     <field name="name"/>
                                                 </page>