diff --git a/org.adempiere.base.callout/src/org/compiere/model/CalloutOrder.java b/org.adempiere.base.callout/src/org/compiere/model/CalloutOrder.java
index 670d252e26..e7af41069b 100644
--- a/org.adempiere.base.callout/src/org/compiere/model/CalloutOrder.java
+++ b/org.adempiere.base.callout/src/org/compiere/model/CalloutOrder.java
@@ -84,7 +84,7 @@ public class CalloutOrder extends CalloutEngine
 			int oldAD_Sequence_ID = 0;
 
 			//	Get old AD_SeqNo for comparison
-			if (!newDocNo && oldC_DocType_ID.intValue() != 0)
+			if (!newDocNo && oldC_DocType_ID != null && oldC_DocType_ID.intValue() != 0)
 			{
 				pstmt = DB.prepareStatement(sql, null);
 				pstmt.setInt(1, oldC_DocType_ID.intValue());