diff --git a/addons/sale_project/views/project_task_views.xml b/addons/sale_project/views/project_task_views.xml
index e5b5b3f0eac..6e1c42db30e 100644
--- a/addons/sale_project/views/project_task_views.xml
+++ b/addons/sale_project/views/project_task_views.xml
@@ -118,7 +118,7 @@
                     <field name="sale_line_id" groups="!sales_team.group_sale_salesman" placeholder="Non-billable" options="{'no_open': True}" readonly="1"/>
                     <field name="sale_line_id" groups="sales_team.group_sale_salesman" options="{'no_create': True}" placeholder="Non-billable" readonly="0"/>
                     <field name="quantity_percentage" groups="!sales_team.group_sale_salesman" widget="percentage" readonly="1"/>
-                    <field name="quantity_percentage" groups="sales_team.group_sale_salesman" widget="percentage" readonly="0"/>
+                    <field name="quantity_percentage" class="w-25" groups="sales_team.group_sale_salesman" widget="percentage" readonly="0"/>
                 </group>
             </xpath>
             <xpath expr="//button[@name='%(project.action_view_task_from_milestone)d']" position="before">