diff --git a/addons/project/project_view.xml b/addons/project/project_view.xml
index 52b8e9f0680..9856ff657e3 100644
--- a/addons/project/project_view.xml
+++ b/addons/project/project_view.xml
@@ -399,7 +399,7 @@
             <field name="model">project.task</field>
             <field eval="2" name="priority"/>
             <field name="arch" type="xml">
-                <calendar color="user_id" date_start="date_deadline" string="Tasks">
+                <calendar color="user_id" date_start="date_deadline" string="Tasks" mode="month">
                     <field name="name"/>
                     <field name="project_id"/>
                 </calendar>