diff --git a/erpnext/accounts/doctype/bank_transaction/bank_transaction.py b/erpnext/accounts/doctype/bank_transaction/bank_transaction.py
index a93882a..6a09491 100644
--- a/erpnext/accounts/doctype/bank_transaction/bank_transaction.py
+++ b/erpnext/accounts/doctype/bank_transaction/bank_transaction.py
@@ -17,13 +17,12 @@
 	def after_insert(self):
 		self.unallocated_amount = abs(flt(self.withdrawal) - flt(self.deposit))
 
-	def on_update(self):
-		self.auto_set_party()
-
 	def on_submit(self):
 		self.clear_linked_payment_entries()
 		self.set_status()
 
+		self.auto_set_party()
+
 	_saving_flag = False
 
 	# nosemgrep: frappe-semgrep-rules.rules.frappe-modifying-but-not-comitting
@@ -35,7 +34,7 @@
 			self.update_allocations()
 			self._saving_flag = False
 
-		self.set_in_bank_party_mapper()
+		self.update_automatch_bank_party_mapper()
 
 	def on_cancel(self):
 		self.clear_linked_payment_entries(for_cancel=True)
@@ -190,8 +189,8 @@
 			mapper_doc.insert()
 			self.bank_party_mapper = mapper_doc.name  # Link mapper to Bank Transaction
 
-	def set_in_bank_party_mapper(self):
-		"""Set in Bank Party Mapper if Party Type & Party are manually changed after submit."""
+	def update_automatch_bank_party_mapper(self):
+		"""Update Bank Party Mapper if Party Type & Party are manually changed after submit."""
 		doc_before_update = self.get_doc_before_save()
 		party_type_changed = self.party_type and (doc_before_update.party_type != self.party_type)
 		party_changed = self.party and (doc_before_update.party != self.party)