diff --git a/org.adempiere.base.process/src/org/compiere/process/BankStatementPayment.java b/org.adempiere.base.process/src/org/compiere/process/BankStatementPayment.java
index 6b7a3243c1..0b9168ab12 100644
--- a/org.adempiere.base.process/src/org/compiere/process/BankStatementPayment.java
+++ b/org.adempiere.base.process/src/org/compiere/process/BankStatementPayment.java
@@ -196,7 +196,7 @@ public class BankStatementPayment extends SvrProcess
 					payment.setPayAmt(PayAmt);
 				else	//	payment is likely to be negative
 					payment.setPayAmt(PayAmt.negate());
-				payment.setOverUnderAmt(invoice.getGrandTotal(true).subtract(payment.getPayAmt()));
+				payment.setOverUnderAmt(invoice.getOpenAmt().subtract(payment.getPayAmt()));
 			}
 			else	// set Pay Amout from Invoice
 			{