diff --git a/addons/sms/models/res_partner.py b/addons/sms/models/res_partner.py
index 6cc6734cc5c..03431d0a68a 100644
--- a/addons/sms/models/res_partner.py
+++ b/addons/sms/models/res_partner.py
@@ -12,3 +12,8 @@ class ResPartner(models.Model):
             SMS recipients on partners are the partners themselves.
         """
         return self
+
+    def _sms_get_number_fields(self):
+        """ This method returns the fields to use to find the number to use to
+        send an SMS on a record. """
+        return ['mobile', 'phone']