diff --git a/addons/hr_timesheet_sheet/static/src/xml/timesheet.xml b/addons/hr_timesheet_sheet/static/src/xml/timesheet.xml
index 7ac7330f2d3..c9911e60518 100644
--- a/addons/hr_timesheet_sheet/static/src/xml/timesheet.xml
+++ b/addons/hr_timesheet_sheet/static/src/xml/timesheet.xml
@@ -36,7 +36,7 @@
                 <tr class="oe_timesheet_total">
                     <td>
                         <div class="oe_timesheet_weekly_adding_tot">
-                            <div class="oe_timesheet_weekly_adding"><button class="oe_timesheet_button_add">Add a Line</button></div>
+                            <div t-if="!widget.get('effective_readonly')" class="oe_timesheet_weekly_adding"><button class="oe_timesheet_button_add">Add a Line</button></div>
                             <div class="oe_timesheet_weekly_tottot"><span>Total</span></div>
                         </div>
                     </td>