diff --git a/application/Invoice/InvoiceModel.php b/application/Invoice/InvoiceModel.php
index 2afe875c1..04af23caa 100644
--- a/application/Invoice/InvoiceModel.php
+++ b/application/Invoice/InvoiceModel.php
@@ -153,7 +153,7 @@ class InvoiceModel {
                 WHERE $where 
                 ORDER BY invoice_number DESC LIMIT 1";
 
-        //mfLoghandler::singleton()->debug($sql);
+        mfLoghandler::singleton()->debug($sql);
 
         $res = $db->query($sql);
         if($db->num_rows($res)) {
@@ -429,17 +429,21 @@ class InvoiceModel {
             }
         }
 
+        if(array_key_exists("sepa_id", $filter)) {
+            $sepa_id = $filter['sepa_id'];
+            if($sepa_id) {
+                $where .= " AND Invoice.sepa_id = '$sepa_id'";
+            }
+        }
+
+
         if(array_key_exists("add-where", $filter)) {
             $where .= " ".$filter['add-where'];
         }
 
 
-        if(array_key_exists("Invoice_period", $filter)) {
-            $Invoice_period = $filter['Invoice_period'];
-            if(is_numeric($Invoice_period)) {
-                $where .= " AND Invoice.Invoice_period = $Invoice_period";
-            }
-        }
+
+
         //var_dump($filter, $where);exit;
         return $where;
     }