diff --git a/application/Invoice/InvoiceController.php b/application/Invoice/InvoiceController.php
index 76b2bdfde..bfd28f209 100644
--- a/application/Invoice/InvoiceController.php
+++ b/application/Invoice/InvoiceController.php
@@ -955,13 +955,17 @@ class InvoiceController extends mfBaseController {
             $csv_out .= $mandatskz.";";
             $csv_out .= ($last_invoice_date ? $last_invoice_date->format("d.m.Y") : "").";";
             $csv_out .= ($is_sepa ? 0 : 10).";";
-            $csv_out .= ($is_sepa ? 1 : 0);
+            $csv_out .= ($is_sepa ? 1 : 0).";";
 
+            if(count($kostentraeger) == 1) {
+                $gkonto_num = array_key_first($kostentraeger);
+                $csv_out .= $gkonto_num;
+            }
 
             if(count($kostentraeger) >= 2) {
                 foreach($kostentraeger as $gkonto_num => $kobetrag) {
                     $kobetrag_text = number_format($kobetrag, 2, ",", "");
-                    $csv_out .= "\n1;;;;;;;;;;;;;;;;;;;;;;$gkonto_num;$kobetrag_text;";
+                    $csv_out .= "\n1;;;;;;;;;;;;;;;;;;;;;;$gkonto_num;$kobetrag_text";
                 }
             }