diff --git a/erpnext/crm/doctype/appointment_booking_settings/appointment_booking_settings.py b/erpnext/crm/doctype/appointment_booking_settings/appointment_booking_settings.py
index fd20ba0..484a572 100644
--- a/erpnext/crm/doctype/appointment_booking_settings/appointment_booking_settings.py
+++ b/erpnext/crm/doctype/appointment_booking_settings/appointment_booking_settings.py
@@ -18,8 +18,9 @@
 
 	def save(self):
 		self.infer_number_of_agents()
+		super().save()
 
-	def infer_number_of_agents():
+	def infer_number_of_agents(self):
 		self.number_of_agents = len(self.agent_list)
 
 	def validate_availability_of_slots(self):