diff --git a/addons/mrp/views/mrp_workorder_views.xml b/addons/mrp/views/mrp_workorder_views.xml
index a14b2e5950f..bbec47dbc0a 100644
--- a/addons/mrp/views/mrp_workorder_views.xml
+++ b/addons/mrp/views/mrp_workorder_views.xml
@@ -197,7 +197,7 @@
                         </group>
                     </group>
                     <group>
-                        <field name="time_ids" readonly="1" nolabel="1">
+                        <field name="time_ids" nolabel="1">
                             <tree>
                                 <field name="date_start"/>
                                 <field name="date_end"/>
@@ -459,4 +459,4 @@
         <field name="view_id" ref="view_work_center_load_graph"/>
         <field name="act_window_id" ref="action_mrp_workcenter_load_report_graph"/>
     </record>
-</odoo>
\ No newline at end of file
+</odoo>