diff --git a/patches/february_2013/repost_reserved_qty.py b/patches/february_2013/repost_reserved_qty.py
new file mode 100644
index 0000000..7d790da
--- /dev/null
+++ b/patches/february_2013/repost_reserved_qty.py
@@ -0,0 +1,54 @@
+import webnotes
+def execute():
+	webnotes.conn.auto_commit_on_many_writes = 1
+	repost_reserved_qty()
+	webnotes.conn.auto_commit_on_many_writes = 0
+	
+def repost_reserved_qty():
+	from webnotes.utils import flt
+	bins = webnotes.conn.sql("select item_code, warehouse, name, reserved_qty from `tabBin`")
+	i = 0
+	for d in bins:
+		i += 1
+		reserved_qty = webnotes.conn.sql("""
+			select 
+				sum((dnpi_qty / so_item_qty) * (so_item_qty - so_item_delivered_qty))
+			from 
+				(
+					(select
+						qty as dnpi_qty,
+						(
+							select qty from `tabSales Order Item`
+							where name = dnpi.parent_detail_docname
+						) as so_item_qty,
+						(
+							select ifnull(delivered_qty, 0) from `tabSales Order Item`
+							where name = dnpi.parent_detail_docname
+						) as so_item_delivered_qty, 
+						parent, name
+					from 
+					(
+						select qty, parent_detail_docname, parent, name
+						from `tabDelivery Note Packing Item` dnpi_in
+						where item_code = %s and warehouse = %s
+						and parenttype="Sales Order"
+					and item_code != parent_item
+						and exists (select * from `tabSales Order` so
+						where name = dnpi_in.parent and docstatus = 1 and status != 'Stopped')
+					) dnpi)
+				union
+					(select qty as dnpi_qty, qty as so_item_qty,
+						ifnull(delivered_qty, 0) as so_item_delivered_qty, parent, name
+					from `tabSales Order Item` so_item
+					where item_code = %s and reserved_warehouse = %s 
+					and exists(select * from `tabSales Order` so
+						where so.name = so_item.parent and so.docstatus = 1 
+						and so.status != 'Stopped'))
+				) tab
+			where 
+				so_item_qty >= so_item_delivered_qty
+		""", (d[0], d[1], d[0], d[1]))
+		
+		if flt(d[3]) != flt(reserved_qty[0][0]):
+			webnotes.conn.sql("""update `tabBin` set reserved_qty = %s where name = %s""",
+				(reserved_qty and reserved_qty[0][0] or 0, d[2]))
\ No newline at end of file
diff --git a/patches/patch_list.py b/patches/patch_list.py
index 45df4c1..2b2310e 100644
--- a/patches/patch_list.py
+++ b/patches/patch_list.py
@@ -186,5 +186,6 @@
 	"execute:webnotes.delete_doc('DocType', 'Service Order Detail')",
 	"execute:webnotes.delete_doc('DocType', 'Service Quotation Detail')",
 	"patches.february_2013.p06_material_request_mappers",
-	"patches.february_2013.p07_clear_web_cache"
+	"patches.february_2013.p07_clear_web_cache",
+	"patches.february_2013.repost_reserved_qty",
 ]
\ No newline at end of file