diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/form/WPaySelect.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/form/WPaySelect.java
index b0a5a16aa7..b85183681b 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/form/WPaySelect.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/apps/form/WPaySelect.java
@@ -389,8 +389,8 @@ public class WPaySelect extends PaySelect
 			
 		
 		BankInfo bi = fieldBankAccount.getSelectedItem().getValue();
-		
-		ValueNamePair paymentRule = (ValueNamePair) fieldPaymentRule.getSelectedItem().getValue();
+
+		ValueNamePair paymentRule = (fieldPaymentRule.getSelectedItem() != null ? (ValueNamePair) fieldPaymentRule.getSelectedItem().getValue() : null);
 		KeyNamePair bpartner = (KeyNamePair) fieldBPartner.getSelectedItem().getValue();
 		KeyNamePair docType = (KeyNamePair) fieldDtype.getSelectedItem().getValue();