diff --git a/src/components/pages/purchase/PurchaseTable.tsx b/src/components/pages/purchase/PurchaseTable.tsx
index b5d1a1f6..fdd2f9be 100644
--- a/src/components/pages/purchase/PurchaseTable.tsx
+++ b/src/components/pages/purchase/PurchaseTable.tsx
@@ -266,8 +266,8 @@ const PurchaseTable = () => {
   // ===== TABLE COLUMNS DEFINITION =====
   const purchaseColumns: ColumnDef<Purchase>[] = [
     {
+      accessorKey: 'po_number',
       header: 'No. PR/PO',
-      enableSorting: false,
       cell: (props) => {
         const { pr_number, po_number } = props.row.original;
         return po_number ? po_number : pr_number;