diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.py b/erpnext/buying/doctype/purchase_order/purchase_order.py
index e879f40..9e890f6 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.py
@@ -30,8 +30,7 @@
 			'target_parent_field': 'per_ordered',
 			'target_ref_field': 'stock_qty',
 			'source_field': 'stock_qty',
-			'percent_join_field': 'material_request',
-			'overflow_type': 'order'
+			'percent_join_field': 'material_request'
 		}]
 
 	def onload(self):
@@ -232,12 +231,16 @@
 		pass
 
 	def update_status_updater(self):
-		self.status_updater[0].update({
-			"target_parent_dt": "Sales Order",
-			"target_dt": "Sales Order Item",
+		self.status_updater.append({
+			'source_dt': 'Purchase Order Item',
+			'target_dt': 'Sales Order Item',
 			'target_field': 'ordered_qty',
-			"join_field": "sales_order_item",
-			"target_parent_field": ''
+			'target_parent_dt': 'Sales Order',
+			'target_parent_field': '',
+			'join_field': 'sales_order_item',
+			'source_dt': 'Purchase Order Item',
+			'target_ref_field': 'stock_qty',
+			'source_field': 'stock_qty'
 		})
 
 	def update_delivered_qty_in_sales_order(self):
diff --git a/erpnext/controllers/status_updater.py b/erpnext/controllers/status_updater.py
index 2f54fc0..b46c752 100644
--- a/erpnext/controllers/status_updater.py
+++ b/erpnext/controllers/status_updater.py
@@ -250,7 +250,7 @@
 
 			if args['detail_id']:
 				if not args.get("extra_cond"): args["extra_cond"] = ""
-
+				
 				frappe.db.sql("""update `tab%(target_dt)s`
 					set %(target_field)s = (
 						(select ifnull(sum(%(source_field)s), 0)
@@ -275,7 +275,7 @@
 		"""Update percent field in parent transaction"""
 
 		self._update_modified(args, update_modified)
-
+		
 		if args.get('target_parent_field'):
 			frappe.db.sql("""update `tab%(target_parent_dt)s`
 				set %(target_parent_field)s = round(
diff --git a/erpnext/patches.txt b/erpnext/patches.txt
index a963b53..dd707da 100644
--- a/erpnext/patches.txt
+++ b/erpnext/patches.txt
@@ -490,6 +490,7 @@
 erpnext.patches.v10_0.update_sales_order_link_to_purchase_order
 erpnext.patches.v10_0.added_extra_gst_custom_field_in_gstr2 #2018-02-13
 erpnext.patches.v10_0.set_b2c_limit
+erpnext.patches.v10_0.update_status_for_multiple_source_in_po
 erpnext.patches.v10_0.set_auto_created_serial_no_in_stock_entry
 erpnext.patches.v10_0.update_territory_and_customer_group
 erpnext.patches.v10_0.update_warehouse_address_details
\ No newline at end of file
diff --git a/erpnext/patches/v10_0/update_status_for_multiple_source_in_po.py b/erpnext/patches/v10_0/update_status_for_multiple_source_in_po.py
new file mode 100644
index 0000000..1de9d97
--- /dev/null
+++ b/erpnext/patches/v10_0/update_status_for_multiple_source_in_po.py
@@ -0,0 +1,38 @@
+# Copyright (c) 2017, Frappe and Contributors
+# License: GNU General Public License v3. See license.txt
+
+from __future__ import unicode_literals
+import frappe
+
+def execute():
+
+
+	# update the sales order item in the material request
+	frappe.reload_doc('stock', 'doctype', 'material_request_item')
+	frappe.db.sql('''update `tabMaterial Request Item` mri set sales_order_item = (select name from
+		`tabSales Order Item` soi where soi.parent=mri.sales_order and soi.item_code=mri.item_code) where docstatus = 1 and
+		ifnull(mri.sales_order, "")!="" 
+	''')
+
+	# update the sales order item in the purchase order
+	frappe.db.sql('''update `tabPurchase Order Item` poi set sales_order_item = (select name from
+		`tabSales Order Item` soi where soi.parent=poi.sales_order and soi.item_code=poi.item_code) where docstatus = 1 and
+		ifnull(poi.sales_order, "")!="" 
+	''')
+
+	# Update the status in material request and sales order
+	po_list = frappe.db.sql('''
+			select parent from `tabPurchase Order Item` where ifnull(material_request, "")!="" and
+			ifnull(sales_order, "")!="" and docstatus=1
+		''',as_dict=1)
+
+	for po in list(set([d.get("parent") for d in po_list if d.get("parent")])):
+		try:
+			po_doc = frappe.get_doc("Purchase Order", po)
+
+			# update the so in the status updater
+			po_doc.update_status_updater()
+			po_doc.update_qty(update_modified=False)
+
+		except Exception:
+			pass
diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index f1b56d9..2f41307 100644
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -435,6 +435,7 @@
 		"Sales Order Item": {
 			"doctype": "Material Request Item",
 			"field_map": {
+				"name": "sales_order_item",
 				"parent": "sales_order",
 				"stock_uom": "uom",
 				"stock_qty": "qty"
diff --git a/erpnext/stock/doctype/material_request/material_request.py b/erpnext/stock/doctype/material_request/material_request.py
index defce62..8f0a25d 100644
--- a/erpnext/stock/doctype/material_request/material_request.py
+++ b/erpnext/stock/doctype/material_request/material_request.py
@@ -241,7 +241,8 @@
 				["parent", "material_request"],
 				["uom", "stock_uom"],
 				["uom", "uom"],
-				["sales_order", "sales_order"]
+				["sales_order", "sales_order"],
+				["sales_order_item", "sales_order_item"]
 			],
 			"postprocess": update_item,
 			"condition": lambda doc: doc.ordered_qty < doc.stock_qty
diff --git a/erpnext/stock/doctype/material_request_item/material_request_item.json b/erpnext/stock/doctype/material_request_item/material_request_item.json
index ef2e7fc..4ec5ed86 100644
--- a/erpnext/stock/doctype/material_request_item/material_request_item.json
+++ b/erpnext/stock/doctype/material_request_item/material_request_item.json
@@ -676,6 +676,36 @@
    "bold": 0, 
    "collapsible": 0, 
    "columns": 0, 
+   "fieldname": "sales_order_item", 
+   "fieldtype": "Data", 
+   "hidden": 1, 
+   "ignore_user_permissions": 0, 
+   "ignore_xss_filter": 0, 
+   "in_filter": 0, 
+   "in_global_search": 0, 
+   "in_list_view": 0, 
+   "in_standard_filter": 0, 
+   "label": "Sales Order Item", 
+   "length": 0, 
+   "no_copy": 1, 
+   "permlevel": 0, 
+   "precision": "", 
+   "print_hide": 1, 
+   "print_hide_if_no_value": 0, 
+   "read_only": 1, 
+   "remember_last_selected_value": 0, 
+   "report_hide": 0, 
+   "reqd": 0, 
+   "search_index": 1, 
+   "set_only_once": 0, 
+   "unique": 0
+  }, 
+  {
+   "allow_bulk_edit": 0, 
+   "allow_on_submit": 0, 
+   "bold": 0, 
+   "collapsible": 0, 
+   "columns": 0, 
    "fieldname": "project", 
    "fieldtype": "Link", 
    "hidden": 0, 
@@ -898,8 +928,8 @@
  "issingle": 0, 
  "istable": 1, 
  "max_attachments": 0, 
- "modified": "2017-12-15 16:29:18.902085", 
- "modified_by": "nabinhait@gmail.com", 
+ "modified": "2018-02-12 05:51:39.954530", 
+ "modified_by": "Administrator", 
  "module": "Stock", 
  "name": "Material Request Item", 
  "owner": "Administrator",