diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.js b/erpnext/buying/doctype/purchase_order/purchase_order.js
index a5cd6ce..6ae83d0 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.js
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.js
@@ -32,7 +32,8 @@
 				cur_frm.add_custom_button(__('Receive'), this.make_purchase_receipt).addClass("btn-primary");
 
 				if(doc.is_subcontracted==="Yes") {
-					cur_frm.add_custom_button(__('Transfer Material to Supplier'), this.make_stock_entry);
+					cur_frm.add_custom_button(__('Transfer Material to Supplier'),
+						function() { me.make_stock_entry(); });
 				}
 			}