diff --git a/addons/project/report/project_report_view.xml b/addons/project/report/project_report_view.xml
index 819cca5dadf..fb2d2ea3992 100644
--- a/addons/project/report/project_report_view.xml
+++ b/addons/project/report/project_report_view.xml
@@ -104,7 +104,7 @@
             <field name="name">Tasks</field>
             <field name="res_model">report.project.task.user</field>
             <field name="view_type">form</field>
-            <field name="view_mode">tree</field>
+            <field name="view_mode">tree,graph</field>
             <field name="search_view_id" ref="view_task_project_user_search"/>
             <field name="context">{'search_default_done': 1 }</field>