diff --git a/addons/website_crm_partner_assign/data/crm_partner_assign_data.xml b/addons/website_crm_partner_assign/data/crm_partner_assign_data.xml
index 3cd3f88282e..ff42c8c4310 100644
--- a/addons/website_crm_partner_assign/data/crm_partner_assign_data.xml
+++ b/addons/website_crm_partner_assign/data/crm_partner_assign_data.xml
@@ -4,6 +4,10 @@
             <field name="name">No more partner available</field>
             <field name="color">3</field>
         </record>
+        <record model="crm.lead.tag" id="tag_portal_lead_is_spam">
+            <field name="name">Spam</field>
+            <field name="color">3</field>
+        </record>
         <record id="email_template_lead_forward_mail" model="mail.template">
             <field name="name">Lead Mass Mail</field>
             <field name="model_id" model="ir.model" search="[('name', '=', 'crm.lead.forward.to.partner')]"></field>
@@ -12,7 +16,6 @@
             <field name="email_from">${(user.email or '')|safe}</field>
             <field name="subject">Fwd: Lead: ${ctx['partner_id'].name}</field>
             <field name="body_html"><![CDATA[
-            
 <p>Hello,</p>
 
 
diff --git a/addons/website_crm_partner_assign/models/crm_lead.py b/addons/website_crm_partner_assign/models/crm_lead.py
index 1da4264050f..1b74a50c3b4 100644
--- a/addons/website_crm_partner_assign/models/crm_lead.py
+++ b/addons/website_crm_partner_assign/models/crm_lead.py
@@ -197,12 +197,12 @@ class CrmLead(models.Model):
             lead.sudo().convert_opportunity(lead.partner_id.id)
 
     @api.multi
-    def partner_desinterested(self, comment=False, contacted=False):
+    def partner_desinterested(self, comment=False, contacted=False, spam=False):
         self.check_access_rights('write')
         if contacted:
-            message = _('<p>I am not interested by this lead. I contacted the lead.</p>')
+            message = '<p>%s</p>' % _('I am not interested by this lead. I contacted the lead.')
         else:
-            message = _('<p>I am not interested by this lead. I have not contacted the lead.</p>')
+            message = '<p>%s</p>' % _('I am not interested by this lead. I have not contacted the lead.')
         partner_ids = self.env['res.partner'].search(
             [('id', 'child_of', self.env.user.partner_id.commercial_partner_id.id)])
         self.sudo().message_unsubscribe(partner_ids=partner_ids.ids)
@@ -210,8 +210,13 @@ class CrmLead(models.Model):
             message += '<p>%s</p>' % comment
         self.message_post(body=message, subtype="mail.mt_note")
         values = {
-            'partner_assigned_id': False
+            'partner_assigned_id': False,
         }
+
+        if spam:
+            tag_spam = self.env.ref('website_crm_partner_assign.tag_portal_lead_is_spam', False)
+            if tag_spam and tag_spam not in self.tag_ids:
+                values['tag_ids'] = [(4, tag_spam.id, False)]
         if partner_ids:
             values['partner_declined_ids'] = map(lambda p: (4, p, 0), partner_ids.ids)
         self.sudo().write(values)
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 19902593573..6ba98e15ef6 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
@@ -37,7 +37,9 @@ $('.desinterested_partner_assign_confirm').on('click',function(e){
 		.call("partner_desinterested",
 			[[parseInt($('.desinterested_partner_assign_form .assign_lead_id').val())],
 			$('.desinterested_partner_assign_form .comment_desinterested').val(),
-			$('.desinterested_partner_assign_form .contacted_desinterested').prop('checked')])
+			$('.desinterested_partner_assign_form .contacted_desinterested').prop('checked'),
+			$('.desinterested_partner_assign_form .customer_mark_spam').prop('checked'),
+			])
 		.then(function(){
 			window.location.href = '/my/leads';
 		});
diff --git a/addons/website_crm_partner_assign/views/website_crm_partner_assign_templates.xml b/addons/website_crm_partner_assign/views/website_crm_partner_assign_templates.xml
index a50a6aabd17..217b7c40c49 100644
--- a/addons/website_crm_partner_assign/views/website_crm_partner_assign_templates.xml
+++ b/addons/website_crm_partner_assign/views/website_crm_partner_assign_templates.xml
@@ -495,8 +495,12 @@
                                                 <input type="text" name="comment" id="comment" class="form-control comment_desinterested"/>
                                             </div>
                                             <div class="form-group">
-                                                <label class="control-label" for="customer_contacted">Do you have contacted the customer?</label>
-                                                <input type="checkbox" name="customer_contacted" id="customer_contacted" class="contacted_desinterested"/>
+                                                <label class="control-label" for="contacted_desinterested">Do you have contacted the customer?</label>
+                                                <input type="checkbox" name="contacted_desinterested" id="contacted_desinterested" class="contacted_desinterested"/>
+                                            </div>
+                                            <div class="form-group">
+                                                <label class="control-label" for="customer_mark_spam">This lead is a spam</label>
+                                                <input type="checkbox" name="customer_mark_spam" id="customer_mark_spam" class="customer_mark_spam"/>
                                             </div>
                                             <div>
                                                 <span class="text-danger error_partner_assign_desinterested" style="display:none;">You need to fill up the next action and contact the customer before accepting the lead</span>