diff --git a/addons/website_crm_partner_assign/static/src/js/crm_partner_assign.js b/addons/website_crm_partner_assign/static/src/js/crm_partner_assign.js
index a0615035cde..0f724cf0be3 100644
--- a/addons/website_crm_partner_assign/static/src/js/crm_partner_assign.js
+++ b/addons/website_crm_partner_assign/static/src/js/crm_partner_assign.js
@@ -36,7 +36,7 @@ $('.interested_partner_assign_confirm').on('click',function(e){
 
 
 $('.desinterested_partner_assign_confirm').on('click',function(){
-    var $btn = this;
+    var $btn = $(this);
     $btn.prop('disabled', true);
     new Model('crm.lead')
         .call("partner_desinterested",
@@ -54,7 +54,7 @@ $('.desinterested_partner_assign_confirm').on('click',function(){
 });
 
 opp_stage_buttons.on('click',function(e){
-    var $btn = this;
+    var $btn = $(this);
     $btn.prop('disabled', true);
     new Model('crm.lead')
         .call("write", [[parseInt(e.currentTarget.getAttribute('opp'))],{
@@ -75,7 +75,7 @@ $('.edit_contact_form .country_id').on('change', function(){
 });
 
 $('.edit_contact_confirm').on('click',function(){
-    var $btn = this;
+    var $btn = $(this);
     $btn.prop('disabled', true);
     new Model('crm.lead')
         .call("write", [[parseInt($('.edit_contact_form .opportunity_id').val())],{
@@ -100,7 +100,7 @@ $('.edit_contact_confirm').on('click',function(){
 });
 
 $('.edit_opp_confirm').on('click',function(){
-    var $btn = this;
+    var $btn = $(this);
     $btn.prop('disabled', true);
     new Model('crm.lead')
         .call("update_lead_portal", [[parseInt($('.edit_opp_form .opportunity_id').val())],{