diff --git a/foundation/erpnext_foundation/doctype/conference_participant/conference_participant.py b/foundation/erpnext_foundation/doctype/conference_participant/conference_participant.py
index 1d5ae1a2..b8cd5328 100644
--- a/foundation/erpnext_foundation/doctype/conference_participant/conference_participant.py
+++ b/foundation/erpnext_foundation/doctype/conference_participant/conference_participant.py
@@ -7,4 +7,6 @@ import frappe
 from frappe.model.document import Document
 
 class ConferenceParticipant(Document):
-	pass
+	def on_payment_authorized(self, status_changed_to=None):
+		self.paid = 1
+		self.save(ignore_permissions=True)