diff --git a/AstuteSystem/sql/astute.sql b/AstuteSystem/sql/astute.sql
index 794abda..a30be7b 100644
--- a/AstuteSystem/sql/astute.sql
+++ b/AstuteSystem/sql/astute.sql
@@ -89,7 +89,7 @@ DECLARE detailCount int;
 SELECT COUNT(line_item_num) INTO detailCount FROM invoice_detail where inv_num = invoiceNum;
 if lineItemNum is null or lineItemNum = 0 then
    if detailCount > 0 then 
-      select max(lineItemNum) into maxlineItemNo from invoice_detail where inv_num = invoiceNum;
+      select max(lineItemNum)+1 into maxlineItemNo from invoice_detail where inv_num = invoiceNum;
    else 
       set maxlineItemNo = 1;
    end if;
@@ -121,7 +121,7 @@ SELECT COUNT(line_item_no) INTO podetailCount FROM po_detail where po_num = ponu
 
 if lineItemNo is null or lineItemNo = 0 then
       if podetailCount > 0 then
-         select max(line_item_no) into maxlineItemNo from po_detail where po_num = ponum;
+         select max(line_item_no)+1 into maxlineItemNo from po_detail where po_num = ponum;
       else 
          SET maxlineItemNo = 1;
       end if;