diff --git a/AstuteSystem/sql/astute.sql b/AstuteSystem/sql/astute.sql
index bbc81b0..67cb7f0 100644
--- a/AstuteSystem/sql/astute.sql
+++ b/AstuteSystem/sql/astute.sql
@@ -177,7 +177,7 @@ BEGIN
    FROM po
    WHERE PO_num = po_num_in;
 
-   SELECT count(*)
+   SELECT count(*) + 1
    INTO inv_count
    FROM invoice
    WHERE invoice.PO_num = po_num_in;