diff --git a/mass_mailing_partner/models/mail_mass_mailing_contact.py b/mass_mailing_partner/models/mail_mass_mailing_contact.py
index ce7237872..47a0c79a4 100644
--- a/mass_mailing_partner/models/mail_mass_mailing_contact.py
+++ b/mass_mailing_partner/models/mail_mass_mailing_contact.py
@@ -38,18 +38,25 @@ class MailMassMailingContact(models.Model):
             if category_ids:
                 self.tag_ids = category_ids
 
-    @api.model
-    def create(self, vals):
-        record = self.new(vals)
-        if not record.partner_id:
-            record._set_partner()
-        record._onchange_partner_mass_mailing_partner()
-        new_vals = record._convert_to_write(record._cache)
-        new_vals.update(
-            subscription_list_ids=vals.get('subscription_list_ids', False),
-            list_ids=vals.get('list_ids', False)
-        )
-        return super(MailMassMailingContact, self).create(new_vals)
+    @api.model_create_multi
+    def create(self, vals_list):
+        new_vals_list = []
+        for vals in vals_list:
+            # Ensure that defaults are loaded (e.g.: import csv or xls)
+            values_w_defaults = self.default_get(self._fields.keys())
+            values_w_defaults.update(vals)
+            record = self.new(values_w_defaults)
+            if not record.partner_id:
+                record._set_partner()
+            record._onchange_partner_mass_mailing_partner()
+            new_vals = record._convert_to_write(record._cache)
+            new_vals.update(
+                subscription_list_ids=values_w_defaults.get(
+                    'subscription_list_ids', False),
+                list_ids=values_w_defaults.get('list_ids', False)
+            )
+            new_vals_list.append(new_vals)
+        return super().create(new_vals_list)
 
     def write(self, vals):
         for contact in self:
@@ -63,7 +70,7 @@ class MailMassMailingContact(models.Model):
                 subscription_list_ids=vals.get('subscription_list_ids', False),
                 list_ids=vals.get('list_ids', False)
             )
-            super(MailMassMailingContact, contact).write(new_vals)
+            super().write(new_vals)
         return True
 
     def _get_company(self):