diff --git a/mail_tracking/models/mail_message.py b/mail_tracking/models/mail_message.py
index dc765c3..8a4423b 100644
--- a/mail_tracking/models/mail_message.py
+++ b/mail_tracking/models/mail_message.py
@@ -69,9 +69,13 @@ class MailMessage(models.Model):
                 status = self._partner_tracking_status_get(tracking)
                 recipient = (
                     tracking.partner_id.name or tracking.recipient)
-                partner_trackings.append((
-                    status, tracking.id, recipient, tracking.partner_id.id,
-                    False))
+                partner_trackings.append({
+                    'status': status,
+                    'tracking_id': tracking.id,
+                    'recipient': recipient,
+                    'partner_id': tracking.partner_id.id,
+                    'isCc': False,
+                })
                 if tracking.partner_id:
                     email_cc_list.discard(tracking.partner_id.email)
                     partners_already |= tracking.partner_id
@@ -84,17 +88,27 @@ class MailMessage(models.Model):
             partners -= partners_already
             for partner in partners:
                 # If there is partners not included, then status is 'unknown'
-                # Because can be an Cc recipinet
+                # Because can be an Cc recipient
                 isCc = False
                 if partner.email in email_cc_list:
                     email_cc_list.discard(partner.email)
                     isCc = True
-                partner_trackings.append((
-                    'unknown', False, partner.name, partner.id, isCc))
+                partner_trackings.append({
+                    'status': 'unknown',
+                    'tracking_id': False,
+                    'recipient': partner.name,
+                    'partner_id': partner.id,
+                    'isCc': isCc,
+                })
             for email in email_cc_list:
                 # If there is Cc without partner
-                partner_trackings.append((
-                    'unknown', False, email, False, True))
+                partner_trackings.append({
+                    'status': 'unknown',
+                    'tracking_id': False,
+                    'recipient': email,
+                    'partner_id': False,
+                    'isCc': True,
+                })
             res[message.id] = partner_trackings
         return res
 
diff --git a/mail_tracking/static/src/js/mail_tracking.js b/mail_tracking/static/src/js/mail_tracking.js
index 84f0bed..3c98179 100644
--- a/mail_tracking/static/src/js/mail_tracking.js
+++ b/mail_tracking/static/src/js/mail_tracking.js
@@ -119,7 +119,6 @@ odoo.define('mail_tracking.partner_tracking', function(require){
         _preprocess_message: function () {
             var msg = this._super.apply(this, arguments);
             msg.partner_trackings = msg.partner_trackings || [];
-            msg.email_cc = msg.email_cc || [];
             var needs_action = msg.track_needs_action;
             var message_track = _.findWhere(messages_tracked_changes, {
                 id: msg.id,
diff --git a/mail_tracking/static/src/xml/mail_tracking.xml b/mail_tracking/static/src/xml/mail_tracking.xml
index 605ac9d..b8b66e3 100644
--- a/mail_tracking/static/src/xml/mail_tracking.xml
+++ b/mail_tracking/static/src/xml/mail_tracking.xml
@@ -5,39 +5,39 @@
 <template>
 
 <t t-name="mail.tracking.status">
-    <t t-if="tracking[4]">
+    <t t-if="tracking['isCc']">
         <span class="mail_tracking_cc">
             <i class="fa fa-cc"></i>
         </span>
     </t>
-    <t t-elif="tracking[0] === 'unknown'">
+    <t t-elif="tracking['status'] === 'unknown'">
         <span class="mail_tracking_unknown">
             <i class="fa fa-ban"></i>
         </span>
     </t>
-    <t t-elif="tracking[0] === 'waiting'">
+    <t t-elif="tracking['status'] === 'waiting'">
         <span class="mail_tracking_waiting mail_tracking_pointer">
             <i class="fa fa-clock-o"></i>
         </span>
     </t>
-    <t t-elif="tracking[0] === 'error'">
+    <t t-elif="tracking['status'] === 'error'">
         <span class="mail_tracking_error mail_tracking_pointer">
             <i class="fa fa-remove"></i>
         </span>
     </t>
-    <t t-elif="tracking[0] === 'sent'">
+    <t t-elif="tracking['status'] === 'sent'">
         <span class="mail_tracking_sent mail_tracking_pointer">
             <i class="fa fa-check"></i>
         </span>
     </t>
-    <t t-elif="tracking[0] === 'delivered'">
+    <t t-elif="tracking['status'] === 'delivered'">
         <span class="fa-stack mail_tracking_delivered mail_tracking_pointer">
             <i class="fa fa-check fa-stack-1x" style="margin-left:1px"></i>
             <i class="fa fa-check fa-inverse fa-stack-1x" style="margin-left:-2px;"></i>
             <i class="fa fa-check fa-stack-1x" style="margin-left:-3px"></i>
         </span>
     </t>
-    <t t-elif="tracking[0] === 'opened'">
+    <t t-elif="tracking['status'] === 'opened'">
         <span class="fa-stack mail_tracking_opened mail_tracking_pointer">
             <i class="fa fa-check fa-stack-1x" style="margin-left:1px"></i>
             <i class="fa fa-check fa-inverse fa-stack-1x" style="margin-left:-2px;"></i>
@@ -55,19 +55,19 @@
                     <t t-if="!tracking_first">
                           -
                     </t>
-                    <t t-if="tracking[3]">
-                        <a t-attf-class="o_mail_action_tracking_partner #{tracking[4] ? 'o_mail_cc' : ''}"
-                           t-att-data-partner="tracking[3]"
-                           t-attf-href="#model=res.partner&amp;id=#{tracking[3]}">
-                            <t t-esc="tracking[2]"/>
+                    <t t-if="tracking['partner_id']">
+                        <a t-attf-class="o_mail_action_tracking_partner #{tracking['isCc'] ? 'o_mail_cc' : ''}"
+                           t-att-data-partner="tracking['partner_id']"
+                           t-attf-href="#model=res.partner&amp;id=#{tracking['partner_id']}">
+                            <t t-esc="tracking['recipient']"/>
                         </a>
                     </t>
-                    <t t-if="!tracking[3]">
-                        <span t-attf-class="#{tracking[4] ? 'o_mail_cc' : ''}"><t t-esc="tracking[2]"/></span>
+                    <t t-else="">
+                        <span t-attf-class="#{tracking['isCc'] ? 'o_mail_cc' : ''}"><t t-esc="tracking['recipient']"/></span>
                     </t>
                     <span class="mail_tracking o_mail_action_tracking_status"
-                          t-att-data-tracking="tracking[1]"
-                          t-attf-title="Status: #{tracking[0]}">
+                          t-att-data-tracking="tracking['tracking_id']"
+                          t-attf-title="Status: #{tracking['status']}">
                         <t t-call="mail.tracking.status"/>
                     </span>
                 </t>
diff --git a/mail_tracking/tests/test_mail_tracking.py b/mail_tracking/tests/test_mail_tracking.py
index 029cf6f..1659d6e 100644
--- a/mail_tracking/tests/test_mail_tracking.py
+++ b/mail_tracking/tests/test_mail_tracking.py
@@ -101,10 +101,11 @@ class TestMailTracking(TransactionCase):
         status = message_dict['partner_trackings'][0]
         # Tracking status must be sent and
         # mail tracking must be the one search before
-        self.assertEqual(status[0], 'sent')
-        self.assertEqual(status[1], tracking_email.id)
-        self.assertEqual(status[2], self.recipient.display_name)
-        self.assertEqual(status[3], self.recipient.id)
+        self.assertEqual(status['status'], 'sent')
+        self.assertEqual(status['tracking_id'], tracking_email.id)
+        self.assertEqual(status['recipient'], self.recipient.display_name)
+        self.assertEqual(status['partner_id'], self.recipient.id)
+        self.assertEqual(status['isCc'], False)
         # And now open the email
         metadata = {
             'ip': '127.0.0.1',
@@ -122,15 +123,15 @@ class TestMailTracking(TransactionCase):
         foundPartner = False
         foundNoPartner = False
         for tracking in message_dict['partner_trackings']:
-            if tracking[3] == self.sender.id:
+            if tracking['partner_id'] == self.sender.id:
                 foundPartner = True
-                self.assertTrue(tracking[4])
-            elif tracking[2] == 'unnamed@test.com':
+                self.assertTrue(tracking['isCc'])
+            elif tracking['recipient'] == 'unnamed@test.com':
                 foundNoPartner = True
-                self.assertFalse(tracking[3])
-                self.assertTrue(tracking[4])
-            elif tracking[3] == self.recipient.id:
-                self.assertFalse(tracking[4])
+                self.assertFalse(tracking['partner_id'])
+                self.assertTrue(tracking['isCc'])
+            elif tracking['partner_id'] == self.recipient.id:
+                self.assertFalse(tracking['isCc'])
         self.assertTrue(foundPartner)
         self.assertTrue(foundNoPartner)