diff --git a/addons/purchase/views/purchase_views.xml b/addons/purchase/views/purchase_views.xml
index fa25e1e3dee..f62bd34eb57 100644
--- a/addons/purchase/views/purchase_views.xml
+++ b/addons/purchase/views/purchase_views.xml
@@ -169,7 +169,7 @@
                                 placeholder="Name, TIN, Email, or Reference"
                             />
                             <field name="partner_ref"/>
-                            <field name="currency_id" groups="base.group_multi_currency"/>
+                            <field name="currency_id" groups="base.group_multi_currency" force_save="1"/>
                         </group>
                         <group>
                             <field name="date_order"/>