diff --git a/addons/crm/crm_lead_view.xml b/addons/crm/crm_lead_view.xml
index 78437ee411f..31872e27ef4 100644
--- a/addons/crm/crm_lead_view.xml
+++ b/addons/crm/crm_lead_view.xml
@@ -48,8 +48,7 @@
                          string="Convert"
                          help="Convert to Opportunity"
                          icon="gtk-index"   
-                         type="object"
-                         attrs="{'invisible':[('opportunity_id','!=',False)]}"/>
+                         type="object"/>
                     <newline />
                     <field name="section_id" colspan="1"
                         widget="selection" />