diff --git a/purchase.xml b/purchase.xml
index db7dd7fb9f..f312d46f18 100644
--- a/purchase.xml
+++ b/purchase.xml
@@ -205,7 +205,7 @@
             <field name="perm_read" eval="True"/>
             <field name="perm_write" eval="True"/>
             <field name="perm_create" eval="True"/>
-            <field name="perm_unlink" eval="False"/>
+            <field name="perm_delete" eval="False"/>
         </record>
         <record model="ir.model.access" id="access_purchase_purchase">
             <field name="model" search="[('model', '=', 'purchase.purchase')]"/>
@@ -213,7 +213,7 @@
             <field name="perm_read" eval="True"/>
             <field name="perm_write" eval="True"/>
             <field name="perm_create" eval="True"/>
-            <field name="perm_unlink" eval="True"/>
+            <field name="perm_delete" eval="True"/>
         </record>
         <record model="ir.sequence.type" id="sequence_type_purchase">
             <field name="name">Purchase</field>
@@ -587,7 +587,7 @@
             <field name="perm_read" eval="True"/>
             <field name="perm_write" eval="True"/>
             <field name="perm_create" eval="True"/>
-            <field name="perm_unlink" eval="True"/>
+            <field name="perm_delete" eval="True"/>
         </record>
         <record model="ir.model.access" id="access_purchase_line_purchase">
             <field name="model" search="[('model', '=', 'purchase.line')]"/>
@@ -595,7 +595,7 @@
             <field name="perm_read" eval="True"/>
             <field name="perm_write" eval="True"/>
             <field name="perm_create" eval="True"/>
-            <field name="perm_unlink" eval="True"/>
+            <field name="perm_delete" eval="True"/>
         </record>
 
         <record model="ir.ui.view" id="product_supplier_view_form">