diff --git a/addons/account/res_config.py b/addons/account/res_config.py
index 8980a31927e..b9bceb3d2ff 100644
--- a/addons/account/res_config.py
+++ b/addons/account/res_config.py
@@ -259,6 +259,11 @@ class account_config_settings(osv.osv_memory):
     def onchange_tax_rate(self, cr, uid, ids, rate, context=None):
         return {'value': {'purchase_tax_rate': rate or False}}
 
+    def onchange_multi_currency(self, cr, uid, ids, group_multi_currency, context=None):
+        if not group_multi_currency:
+            return {'value': {'income_currency_exchange_account_id': False, 'expense_currency_exchange_account_id': False}}
+        return {}
+    
     def onchange_start_date(self, cr, uid, id, start_date):
         if start_date:
             start_date = datetime.datetime.strptime(start_date, "%Y-%m-%d")
diff --git a/addons/account/res_config_view.xml b/addons/account/res_config_view.xml
index 8a5b1978ecb..115566e9ab5 100644
--- a/addons/account/res_config_view.xml
+++ b/addons/account/res_config_view.xml
@@ -122,7 +122,7 @@
                         <label for="id" string="Features"/>
                         <div>
                             <div name="group_multi_currency">
-                                <field name="group_multi_currency" class="oe_inline"/>
+                                <field name="group_multi_currency" class="oe_inline" on_change="onchange_multi_currency(group_multi_currency)"/>
                                 <label for="group_multi_currency"/>
                             </div>
                             <div>