diff --git a/addons/website_event_track/models/event_track.py b/addons/website_event_track/models/event_track.py
index cd581946580..a58235d61c4 100644
--- a/addons/website_event_track/models/event_track.py
+++ b/addons/website_event_track/models/event_track.py
@@ -155,7 +155,7 @@ class Track(models.Model):
     def message_get_suggested_recipients(self):
         recipients = super(Track, self).message_get_suggested_recipients()
         for track in self:
-            if track.partner_email != track.partner_id.email:
+            if track.partner_email and track.partner_email != track.partner_id.email:
                 track._message_add_suggested_recipient(recipients, email=track.partner_email, reason=_('Speaker Email'))
         return recipients