diff --git a/account_mass_reconcile/models/base_reconciliation.py b/account_mass_reconcile/models/base_reconciliation.py
index fe394f1c..2826a8e0 100644
--- a/account_mass_reconcile/models/base_reconciliation.py
+++ b/account_mass_reconcile/models/base_reconciliation.py
@@ -60,8 +60,11 @@ class MassReconcileBase(models.AbstractModel):
         )
         return ["account_move_line.{}".format(col) for col in aml_cols]
 
+    def _selection_columns(self):
+        return self._base_columns()
+
     def _select_query(self, *args, **kwargs):
-        return "SELECT %s" % ', '.join(self._base_columns())
+        return "SELECT %s" % ', '.join(self._selection_columns())
 
     def _from_query(self, *args, **kwargs):
         return ("FROM account_move_line ")
diff --git a/account_mass_reconcile_by_purchase_line/models/base_advanced_reconciliation.py b/account_mass_reconcile_by_purchase_line/models/base_advanced_reconciliation.py
index 13acfded..9c9d46e4 100644
--- a/account_mass_reconcile_by_purchase_line/models/base_advanced_reconciliation.py
+++ b/account_mass_reconcile_by_purchase_line/models/base_advanced_reconciliation.py
@@ -7,13 +7,8 @@ from odoo import models
 class MassReconcileAdvanced(models.AbstractModel):
     _inherit = 'mass.reconcile.advanced'
 
-    @staticmethod
-    def _base_columns():
-        """ Mandatory columns for move lines queries
-        An extra column aliased as ``key`` should be defined
-        in each query."""
-        aml_cols = super(MassReconcileAdvanced, MassReconcileAdvanced).\
-            _base_columns()
+    def _selection_columns(self):
+        aml_cols = super(MassReconcileAdvanced, self)._selection_columns()
         aml_cols.append('account_move_line.purchase_line_id')
         aml_cols.append('account_move_line.product_id')
         return aml_cols
diff --git a/account_mass_reconcile_by_purchase_line/models/mass_reconcile.py b/account_mass_reconcile_by_purchase_line/models/mass_reconcile.py
index e11eb7a5..145ce52b 100644
--- a/account_mass_reconcile_by_purchase_line/models/mass_reconcile.py
+++ b/account_mass_reconcile_by_purchase_line/models/mass_reconcile.py
@@ -7,11 +7,8 @@ from odoo import models
 class AccountMassReconcileMethod(models.Model):
     _inherit = 'account.mass.reconcile.method'
 
-    @staticmethod
-    def _get_reconcilation_methods():
-        methods = super(
-            AccountMassReconcileMethod, AccountMassReconcileMethod).\
-            _get_reconcilation_methods()
+    def _selection_name(self):
+        methods = super(AccountMassReconcileMethod, self)._selection_name()
         methods += [
             ('mass.reconcile.advanced.by.purchase.line',
              'Advanced. Product, purchase order line.'),