diff --git a/openerp/addons/base/res/res_currency_data.xml b/openerp/addons/base/res/res_currency_data.xml
index 29c6b01e397..00cf308a3c1 100644
--- a/openerp/addons/base/res/res_currency_data.xml
+++ b/openerp/addons/base/res/res_currency_data.xml
@@ -387,6 +387,7 @@
             <field name="symbol">$</field>
             <field name="rounding">0.01</field>
             <field name="accuracy">4</field>
+            <field name="position">before</field>
         </record>
         <record forcecreate="0" id="rateMXN" model="res.currency.rate">
             <field name="rate">18.6664</field>