diff --git a/addons/project/project_view.xml b/addons/project/project_view.xml
index 1de78d2693d..71b0a695d5e 100644
--- a/addons/project/project_view.xml
+++ b/addons/project/project_view.xml
@@ -432,7 +432,7 @@
             <field name="name">New Task</field>
             <field name="res_model">project.task</field>
             <field name="view_type">form</field>
-            <field name="view_mode">form,tree,calendar,graph</field>
+            <field name="view_mode">form,tree,calendar,gantt,graph</field>
         </record>
         <menuitem action="action_view_task_new" id="menu_action_view_task_new" parent="menu_tasks"/>
 
@@ -440,7 +440,7 @@
             <field name="name">Tasks in Progress</field>
             <field name="res_model">project.task</field>
             <field name="view_type">form</field>
-            <field name="view_mode">tree,form,calendar,graph</field>
+            <field name="view_mode">tree,form,calendar,graph,gantt</field>
             <field name="domain">[('state', '=', 'progress')]</field>
         </record>
         <menuitem action="action_view_task6_prog" id="menu_action_view_task6_prog" parent="project.menu_action_view_task"/>
@@ -449,7 +449,7 @@
             <field name="name">Unassigned Tasks</field>
             <field name="res_model">project.task</field>
             <field name="view_type">form</field>
-            <field name="view_mode">tree,form,calendar,graph</field>
+            <field name="view_mode">tree,form,calendar,graph,gantt</field>
             <field name="domain">[('user_id', '=', False)]</field>
         </record>
         <menuitem action="action_view_task7" id="menu_action_view_task7" parent="project.menu_action_view_task"/>
@@ -459,7 +459,7 @@
             <field name="res_model">project.task</field>
             <field name="name">Project's tasks</field>
             <field name="view_type">form</field>
-            <field name="view_mode">tree,form,calendar,graph</field>
+            <field name="view_mode">tree,form,calendar,graph,gantt</field>
             <field name="domain">[('project_id', 'child_of', [active_id])]</field>
             <field name="context">{'project_id':active_id}</field>
         </record>
@@ -544,7 +544,7 @@
             </field>
         </record>
 
-        <act_window domain="[('user_id', '=', active_id),('state', '&lt;&gt;', 'cancelled'),('state', '&lt;&gt;', 'done')]" id="act_res_users_2_project_task_opened" name="Assigned tasks" res_model="project.task" src_model="res.users" view_mode="tree,form" view_type="form"/>
+        <act_window domain="[('user_id', '=', active_id),('state', '&lt;&gt;', 'cancelled'),('state', '&lt;&gt;', 'done')]" id="act_res_users_2_project_task_opened" name="Assigned tasks" res_model="project.task" src_model="res.users" view_mode="tree,form,gantt,calendar,graph" view_type="form"/>
 
         <act_window domain="[('user_id', '=', active_id),('date', '&gt;=', time.strftime('%Y-%m-01'))]" id="act_res_users_2_project_task_work_month" name="Month works" res_model="project.task.work" src_model="res.users" view_mode="tree,form" view_type="form"/>