diff --git a/addons/hr/views/hr_views.xml b/addons/hr/views/hr_views.xml
index db2e6f6edac..781f5faaa7e 100644
--- a/addons/hr/views/hr_views.xml
+++ b/addons/hr/views/hr_views.xml
@@ -70,7 +70,7 @@
                                         <field name="job_id"/>
                                         <field name="parent_id"/>
                                         <field name="coach_id"/>
-                                        <field name="resource_calendar_id"/>
+                                        <field name="resource_calendar_id" required="1"/>
                                     </group>
                                 </group>
                                 <field name="notes" placeholder="Other Information ..." colspan="4"/>