diff --git a/tailbone/views/purchasing/ordering.py b/tailbone/views/purchasing/ordering.py
index 06d7eb6b..9437b40d 100644
--- a/tailbone/views/purchasing/ordering.py
+++ b/tailbone/views/purchasing/ordering.py
@@ -264,18 +264,21 @@ class OrderingBatchView(PurchasingBatchView):
                     row.removed = False
                     batch.rowcount += 1
                 self.handler.refresh_row(row)
+                if row.po_unit_cost:
+                    row.po_total = row.po_unit_cost * self.handler.get_units_ordered(row)
+                    batch.po_total = (batch.po_total or 0) + row.po_total
             else:
                 row.removed = True
 
         elif cases_ordered or units_ordered:
             row = model.PurchaseBatchRow()
-            row.sequence = max([0] + [r.sequence for r in batch.data_rows]) + 1
             row.product = product
-            batch.data_rows.append(row)
             row.cases_ordered = cases_ordered or None
             row.units_ordered = units_ordered or None
-            self.handler.refresh_row(row)
-            batch.rowcount = (batch.rowcount or 0) + 1
+            self.handler.add_row(batch, row)
+            if row.po_unit_cost:
+                row.po_total = row.po_unit_cost * self.handler.get_units_ordered(row)
+                batch.po_total = (batch.po_total or 0) + row.po_total
 
         return {
             'row_cases_ordered': '' if not row or row.removed else int(row.cases_ordered or 0),