diff --git a/addons/crm/crm_lead_view.xml b/addons/crm/crm_lead_view.xml
index c552b1835f2..c0744d755a5 100644
--- a/addons/crm/crm_lead_view.xml
+++ b/addons/crm/crm_lead_view.xml
@@ -603,4 +603,4 @@
         </record>
 
     </data>
-</openerp>
+</openerp>
\ No newline at end of file
diff --git a/addons/crm/crm_phonecall_view.xml b/addons/crm/crm_phonecall_view.xml
index bc0f40607a8..96eeb623bab 100644
--- a/addons/crm/crm_phonecall_view.xml
+++ b/addons/crm/crm_phonecall_view.xml
@@ -82,7 +82,7 @@
                 <field name="user_id"/>
                 <field name="categ_id" invisible="1"/>
                 <field name="create_date" invisible="1"/>
-                <field name="opportunity_id" invisible="1"/>
+                <field name="opportunity_id" invisible="1" on_change="on_change_opportunity(opportunity_id)"/>
                 <field name="state"/>
                 <button name="case_open" string="Confirm" type="object"
                         states="draft,pending" icon="gtk-go-forward"/>
@@ -236,4 +236,4 @@
     </record>
 
     </data>
-</openerp>
+</openerp>
\ No newline at end of file