diff --git a/account_advanced_reconcile_transaction_ref/base_advanced_reconciliation.py b/account_advanced_reconcile_transaction_ref/base_advanced_reconciliation.py
index c5feb2ac..e3f9e37a 100644
--- a/account_advanced_reconcile_transaction_ref/base_advanced_reconciliation.py
+++ b/account_advanced_reconcile_transaction_ref/base_advanced_reconciliation.py
@@ -30,16 +30,8 @@ class EasyReconcileAdvanced(orm.AbstractModel):
         """ Mandatory columns for move lines queries
         An extra column aliased as ``key`` should be defined
         in each query."""
-        aml_cols = (
-            'id',
-            'debit',
-            'credit',
-            'date',
-            'period_id',
-            'ref',
-            'name',
-            'partner_id',
-            'account_id',
-            'move_id',
-            'transaction_ref')
-        return ["account_move_line.%s" % col for col in aml_cols]
+        aml_cols = super(easy_reconcile_advanced, self).\
+            _base_columns(rec)
+        aml_cols += ['account_move_line.transaction_ref']
+        return aml_cols
+
diff --git a/account_easy_reconcile/base_reconciliation.py b/account_easy_reconcile/base_reconciliation.py
index 7920a242..9aeb6d44 100644
--- a/account_easy_reconcile/base_reconciliation.py
+++ b/account_easy_reconcile/base_reconciliation.py
@@ -200,14 +200,15 @@ class EasyReconcileBase(orm.AbstractModel):
             # reconciled and if all the lines were the same, in such
             # case, just skip the group and consider it as partially
             # reconciled (no change).
-            existing_partial_id = lines[0]['reconcile_partial_id']
-            if existing_partial_id:
-                partial_line_ids = set(ml_obj.search(
-                    cr, uid,
-                    [('reconcile_partial_id', '=', existing_partial_id)],
-                    context=context))
-                if set(line_ids) == partial_line_ids:
-                    return True, False
+            if lines:
+                existing_partial_id = lines[0]['reconcile_partial_id']
+                if existing_partial_id:
+                    partial_line_ids = set(ml_obj.search(
+                        cr, uid,
+                        [('reconcile_partial_id', '=', existing_partial_id)],
+                        context=context))
+                    if set(line_ids) == partial_line_ids:
+                        return True, False
 
             ml_obj.reconcile_partial(
                 cr, uid,