diff --git a/contract_variable_quantity/__manifest__.py b/contract_variable_quantity/__manifest__.py
index 885b4a77d..999749a4f 100644
--- a/contract_variable_quantity/__manifest__.py
+++ b/contract_variable_quantity/__manifest__.py
@@ -5,7 +5,7 @@
 
 {
     'name': 'Variable quantity in contract recurrent invoicing',
-    'version': '12.0.2.1.1',
+    'version': '12.0.2.1.2',
     'category': 'Contract Management',
     'license': 'AGPL-3',
     'author': "Tecnativa,"
diff --git a/contract_variable_quantity/models/contract_line.py b/contract_variable_quantity/models/contract_line.py
index 9494e7b48..714e8eb51 100644
--- a/contract_variable_quantity/models/contract_line.py
+++ b/contract_variable_quantity/models/contract_line.py
@@ -44,9 +44,9 @@ class AccountAnalyticInvoiceLine(models.Model):
         return quantity
 
     @api.multi
-    def _prepare_invoice_line(self, invoice_id=False):
+    def _prepare_invoice_line(self, invoice_id=False, invoice_values=False):
         vals = super(AccountAnalyticInvoiceLine, self)._prepare_invoice_line(
-            invoice_id=invoice_id
+            invoice_id=invoice_id, invoice_values=invoice_values,
         )
         if (
             'quantity' in vals