diff --git a/erpnext/selling/doctype/sales_order/sales_order.py b/erpnext/selling/doctype/sales_order/sales_order.py
index d3c2347216..58b9df8dab 100755
--- a/erpnext/selling/doctype/sales_order/sales_order.py
+++ b/erpnext/selling/doctype/sales_order/sales_order.py
@@ -230,6 +230,7 @@ class SalesOrder(SellingController):
 					frappe.throw(_("Quotation {0} is cancelled").format(quotation))
 
 				doc.set_status(update=True)
+				doc.update_opportunity("Converted" if flag == "submit" else "Quotation")
 
 	def validate_drop_ship(self):
 		for d in self.get("items"):