diff --git a/addons/purchase/res_config.py b/addons/purchase/res_config.py
index ef02b8435e3..ae3a172ce3c 100644
--- a/addons/purchase/res_config.py
+++ b/addons/purchase/res_config.py
@@ -66,6 +66,11 @@ Example: Product: this product is deprecated, do not purchase more than 5.
         'default_invoice_method': 'manual',
     }
 
+    def onchange_purchase_analytic_plans(self, cr, uid, ids, module_purchase_analytic_plans, context=None):
+        """ change group_analytic_account_for_purchases following module_purchase_analytic_plans """
+        if not module_purchase_analytic_plans:
+            return {}
+        return {'value': {'group_analytic_account_for_purchases': module_purchase_analytic_plans}}
 
 
 
diff --git a/addons/purchase/res_config_view.xml b/addons/purchase/res_config_view.xml
index 7f1cfc64f39..e93c9d21645 100644
--- a/addons/purchase/res_config_view.xml
+++ b/addons/purchase/res_config_view.xml
@@ -67,7 +67,7 @@
                                 <label for="module_purchase_requisition"/>
                             </div>
                             <div>
-                                <field name="module_purchase_analytic_plans" class="oe_inline"/>
+                                <field name="module_purchase_analytic_plans" on_change="onchange_purchase_analytic_plans(module_purchase_analytic_plans)" class="oe_inline"/>
                                 <label for="module_purchase_analytic_plans"/>
                             </div>
                             <div>