diff --git a/application/Admin/functions/RtrReporting.php b/application/Admin/functions/RtrReporting.php
index d7a200269..84cbd34e7 100644
--- a/application/Admin/functions/RtrReporting.php
+++ b/application/Admin/functions/RtrReporting.php
@@ -394,6 +394,8 @@ class Admin_RtrReporting {
                 $gemid = $ort2gem["$plz--$ort"];
             }
 
+            if($gemid == 90001) $gemid = 90101;
+
             if(!array_key_exists($gemid, $data)) {
                 $data[$gemid] = [];
             }