diff --git a/erpnext/buying/doctype/purchase_order/purchase_order.py b/erpnext/buying/doctype/purchase_order/purchase_order.py
index 846c5b4..2686493 100644
--- a/erpnext/buying/doctype/purchase_order/purchase_order.py
+++ b/erpnext/buying/doctype/purchase_order/purchase_order.py
@@ -375,7 +375,7 @@
 		target.base_amount = target.amount * flt(source_parent.conversion_rate)
 		target.qty = target.amount / flt(obj.rate) if (flt(obj.rate) and flt(obj.billed_amt)) else flt(obj.qty)
 
-		item = get_item_defaults(target.item_code, target.company)
+		item = get_item_defaults(target.item_code, source_parent.company)
 		target.cost_center = frappe.db.get_value("Project", obj.project, "cost_center") \
 			or item.buying_cost_center \
 			or frappe.db.get_value("Item Group", item.item_group, "default_cost_center")
diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index 5116725..690ffa8 100755
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -495,7 +495,7 @@
 		target.amount = (flt(source.qty) - flt(source.delivered_qty)) * flt(source.rate)
 		target.qty = flt(source.qty) - flt(source.delivered_qty)
 
-		item = get_item_defaults(target.item_code, target.company)
+		item = get_item_defaults(target.item_code, source_parent.company)
 
 		if item:
 			target.cost_center = frappe.db.get_value("Project", source_parent.project, "cost_center") \
@@ -559,7 +559,7 @@
 		if source_parent.project:
 			target.cost_center = frappe.db.get_value("Project", source_parent.project, "cost_center")
 		if not target.cost_center and target.item_code:
-			item = get_item_defaults(target.item_code, target.company)
+			item = get_item_defaults(target.item_code, source_parent.company)
 			target.cost_center = item.selling_cost_center \
 				or frappe.db.get_value("Item Group", item.item_group, "default_cost_center")