diff --git a/contract/models/abstract_contract_line.py b/contract/models/abstract_contract_line.py
index b4ab198f2..fce1fde2b 100644
--- a/contract/models/abstract_contract_line.py
+++ b/contract/models/abstract_contract_line.py
@@ -75,8 +75,8 @@ class AccountAbstractAnalyticContractLine(models.AbstractModel):
     )
     recurring_interval = fields.Integer(
         default=1,
-        string='Repeat Every',
-        help="Repeat every (Days/Week/Month/Year)",
+        string='Invoice Every',
+        help="Invoice every (Days/Week/Month/Year)",
         required=True,
     )
     date_start = fields.Date(string='Date Start')
diff --git a/contract/models/contract_line.py b/contract/models/contract_line.py
index f97117a09..ba61c5db0 100644
--- a/contract/models/contract_line.py
+++ b/contract/models/contract_line.py
@@ -436,7 +436,8 @@ class AccountAnalyticInvoiceLine(models.Model):
     def _check_recurring_next_date_recurring_invoices(self):
         for rec in self.filtered('contract_id.recurring_invoices'):
             if not rec.recurring_next_date and (
-                not rec.last_date_invoiced
+                not rec.date_end
+                or not rec.last_date_invoiced
                 or rec.last_date_invoiced < rec.date_end
             ):
                 raise ValidationError(