diff --git a/erpnext/selling/doctype/quotation/quotation.py b/erpnext/selling/doctype/quotation/quotation.py
index 449a968..01479a1 100644
--- a/erpnext/selling/doctype/quotation/quotation.py
+++ b/erpnext/selling/doctype/quotation/quotation.py
@@ -25,7 +25,6 @@
 	def validate(self):
 		super(Quotation, self).validate()
 		self.set_status()
-		self.update_opportunity()
 		self.validate_uom_is_integer("stock_uom", "qty")
 		self.validate_valid_till()
 		self.set_customer_name()
@@ -50,20 +49,20 @@
 			lead_name, company_name = frappe.db.get_value("Lead", self.party_name, ["lead_name", "company_name"])
 			self.customer_name = company_name or lead_name
 
-	def update_opportunity(self):
+	def update_opportunity(self, status):
 		for opportunity in list(set([d.prevdoc_docname for d in self.get("items")])):
 			if opportunity:
-				self.update_opportunity_status(opportunity)
+				self.update_opportunity_status(status, opportunity)
 
 		if self.opportunity:
-			self.update_opportunity_status()
+			self.update_opportunity_status(status)
 
-	def update_opportunity_status(self, opportunity=None):
+	def update_opportunity_status(self, status, opportunity=None):
 		if not opportunity:
 			opportunity = self.opportunity
 
 		opp = frappe.get_doc("Opportunity", opportunity)
-		opp.status = None
+		opp.status = status
 		opp.set_status(update=True)
 
 	def declare_enquiry_lost(self, lost_reasons_list, detailed_reason=None):
@@ -82,7 +81,7 @@
 				else:
 					frappe.throw(_("Invalid lost reason {0}, please create a new lost reason").format(frappe.bold(reason.get('lost_reason'))))
 
-			self.update_opportunity()
+			self.update_opportunity('Lost')
 			self.update_lead()
 			self.save()
 
@@ -95,7 +94,7 @@
 			self.company, self.base_grand_total, self)
 
 		#update enquiry status
-		self.update_opportunity()
+		self.update_opportunity('Quotation')
 		self.update_lead()
 
 	def on_cancel(self):
@@ -105,7 +104,7 @@
 
 		#update enquiry status
 		self.set_status(update=True)
-		self.update_opportunity()
+		self.update_opportunity('Open')
 		self.update_lead()
 
 	def print_other_charges(self,docname):
diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index ffb6635..f17af69 100755
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -159,7 +159,6 @@
 					frappe.throw(_("Quotation {0} is cancelled").format(quotation))
 
 				doc.set_status(update=True)
-				doc.update_opportunity()
 
 	def validate_drop_ship(self):
 		for d in self.get('items'):