diff --git a/rma_purchase/wizards/rma_add_purchase.py b/rma_purchase/wizards/rma_add_purchase.py
index f84a81ef..e4a89e91 100644
--- a/rma_purchase/wizards/rma_add_purchase.py
+++ b/rma_purchase/wizards/rma_add_purchase.py
@@ -10,8 +10,8 @@ class RmaAddPurchase(models.TransientModel):
     _description = 'Wizard to add rma lines'
 
     @api.model
-    def default_get(self, fields):
-        res = super(RmaAddPurchase, self).default_get(fields)
+    def default_get(self, fields_list):
+        res = super(RmaAddPurchase, self).default_get(fields_list)
         rma_obj = self.env['rma.order']
         rma_id = self.env.context['active_ids'] or []
         active_model = self.env.context['active_model']
diff --git a/rma_purchase/wizards/rma_order_line_make_purchase_order.py b/rma_purchase/wizards/rma_order_line_make_purchase_order.py
index bc40ce4d..17d13bf0 100644
--- a/rma_purchase/wizards/rma_order_line_make_purchase_order.py
+++ b/rma_purchase/wizards/rma_order_line_make_purchase_order.py
@@ -34,9 +34,9 @@ class RmaLineMakePurchaseOrder(models.TransientModel):
         }
 
     @api.model
-    def default_get(self, fields):
+    def default_get(self, fields_list):
         res = super(RmaLineMakePurchaseOrder, self).default_get(
-            fields)
+            fields_list)
         rma_line_obj = self.env['rma.order.line']
         rma_line_ids = self.env.context['active_ids'] or []
         active_model = self.env.context['active_model']