diff --git a/thai_tax/custom/custom_api.py b/thai_tax/custom/custom_api.py
index 83375fb..619327f 100644
--- a/thai_tax/custom/custom_api.py
+++ b/thai_tax/custom/custom_api.py
@@ -303,6 +303,7 @@ def clear_invoice_undue_tax(doc, method):
 	)
 	doc.tax_base_amount = base_total
 	doc.calculate_taxes()
+	doc.save()
 
 
 def get_undue_tax(doc, ref, gl, tax):
diff --git a/thai_tax/hooks.py b/thai_tax/hooks.py
index ec589a4..9e90a6a 100644
--- a/thai_tax/hooks.py
+++ b/thai_tax/hooks.py
@@ -210,7 +210,6 @@
 	},
 	"Payment Entry": {
 		"validate": "thai_tax.custom.custom_api.validate_company_address",
-		"after_insert": "thai_tax.custom.custom_api.clear_invoice_undue_tax",
 		"on_update": "thai_tax.custom.custom_api.clear_invoice_undue_tax",
 	},
 	"Purchase Invoice": {