diff --git a/xml/page_payment_cash.xml b/xml/page_payment_cash.xml
index 9f3ca026..daefadf4 100644
--- a/xml/page_payment_cash.xml
+++ b/xml/page_payment_cash.xml
@@ -263,7 +263,7 @@
 			Var PayState6 = "Disable"
 
 			If From15THBPro = 1 Then
-				Var PayState4 = "Disable"
+				Var PayState3 = "Disable"
 			EndIf
 
 		EndIf