diff --git a/addons/project/views/project_views.xml b/addons/project/views/project_views.xml
index ec40bacd847..6433916d9ba 100644
--- a/addons/project/views/project_views.xml
+++ b/addons/project/views/project_views.xml
@@ -680,6 +680,7 @@
                         <group>
                             <field name="active" invisible="1"/>
                             <field name="partner_id" class="o_task_customer_field"/>
+                            <field name="partner_email" widget="email" invisible="1"/>
                             <field name="partner_phone" widget="phone" attrs="{'invisible': [('partner_id', '=', False)]}"/>
                             <field name="legend_blocked" invisible="1"/>
                             <field name="legend_normal" invisible="1"/>