Update purchase_order.js
diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.js b/erpnext/buying/doctype/purchase_order/purchase_order.js
index e01dbb7..bc722e5 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.js
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.js
@@ -28,6 +28,7 @@
 		frm.set_query("blanket_order", "items", function() {
 			return {
 				filters: {
+					"company": frm.doc.company,
 					"docstatus": 1
 				}
 			}