diff --git a/erpnext/patches/july_2012/repost_stock_due_to_wrong_packing_list.py b/erpnext/patches/july_2012/repost_stock_due_to_wrong_packing_list.py
index 659bcc0..a8077c2 100644
--- a/erpnext/patches/july_2012/repost_stock_due_to_wrong_packing_list.py
+++ b/erpnext/patches/july_2012/repost_stock_due_to_wrong_packing_list.py
@@ -3,7 +3,6 @@
 def execute():
 	# add index
 	webnotes.conn.commit()
-	webnotes.conn.sql("""drop index item_code_warehouse on `tabDelivery Note Packing Item`""")
 	webnotes.conn.sql("""create index item_code_warehouse
 		on `tabDelivery Note Packing Item` (item_code, warehouse)""")
 	webnotes.conn.begin()