diff --git a/erpnext/patches/project_patch.py b/erpnext/patches/project_patch.py
new file mode 100644
index 0000000..c5473a0
--- /dev/null
+++ b/erpnext/patches/project_patch.py
@@ -0,0 +1,18 @@
+def execute():
+	import webnotes
+	from webnotes.modules.module_manager import reload_doc
+	sql = webnotes.conn.sql
+	
+	# Reload item table
+	reload_doc('accounts', 'doctype', 'pv_detail')
+	reload_doc('buying', 'doctype', 'po_detail')
+	reload_doc('stock', 'doctype', 'purchase_receipt_detail')
+	
+	# copy project value from parent to child
+	sql("update `tabPO Detail` t1, `tabPurchase Order` t2 set t1.project_name = t2.project_name where t1.parent = t2.name and ifnull(t1.project_name, '') = ''")
+	sql("update `tabPV Detail` t1, `tabPayable Voucher` t2 set t1.project_name = t2.project_name where t1.parent = t2.name and ifnull(t1.project_name, '') = ''")
+	sql("update `tabPurchase Receipt Detail` t1, `tabPurchase Receipt` t2 set t1.project_name = t2.project_name where t1.parent = t2.name and ifnull(t1.project_name, '') = ''")
+	
+	# delete project from parent
+	sql("delete from `tabDocField` where fieldname = 'project_name' and parent in ('Purchase Order', 'Purchase Receipt', 'Payable Voucher')")
+