diff --git a/addons/sale_timesheet/views/project_task_views.xml b/addons/sale_timesheet/views/project_task_views.xml
index 7c4557336d3..0ae6357385c 100644
--- a/addons/sale_timesheet/views/project_task_views.xml
+++ b/addons/sale_timesheet/views/project_task_views.xml
@@ -33,7 +33,7 @@
                                     'default_order_id': sale_order_id,
                                 }"/>
                             <field name="price_unit" widget="monetary" force_save="1" options="{'currency_field': 'currency_id'}"/>
-                            <field name="display_cost" widget="monetary" options="{'currency_field': 'currency_id'}"/>
+                            <field name="display_cost" widget="monetary" options="{'currency_field': 'cost_currency_id'}"/>
                             <field name="is_cost_changed" column_invisible="True"/>
                             <field name="currency_id" column_invisible="True"/>
                             <field name="cost_currency_id" column_invisible="True"/>