diff --git a/addons/crm/wizard/crm_phonecall_to_partner_view.xml b/addons/crm/wizard/crm_phonecall_to_partner_view.xml
index c7da406f687..6da8a168b21 100644
--- a/addons/crm/wizard/crm_phonecall_to_partner_view.xml
+++ b/addons/crm/wizard/crm_phonecall_to_partner_view.xml
@@ -30,7 +30,7 @@
 	      	<form string="Create a Partner">
 	      		<field name="action"/>
 	      		<group attrs="{'invisible':[('action','!=','exist')]}">
-		            <field name="partner_id"/>
+		            <field name="partner_id" attrs="{'required':[('action','=','exist')]}" />
 		        </group>
 		        <separator string="" colspan="4" />
 	      		<group col="4" colspan="4">