diff --git a/addons/project/project_view.xml b/addons/project/project_view.xml
index 32c7ed49c27..0159e019572 100644
--- a/addons/project/project_view.xml
+++ b/addons/project/project_view.xml
@@ -329,7 +329,7 @@
             <field name="type">calendar</field>
             <field eval="2" name="priority"/>
             <field name="arch" type="xml">
-                <calendar type="gantt" color="user_id" date_delay="planned_hours" date_start="date_start" string="Tasks">
+                <calendar color="user_id" date_delay="planned_hours" date_start="date_start" string="Tasks">
                     <field name="name"/>
                     <field name="project_id"/>
                 </calendar>