diff --git a/application/Preorder/PreorderController.php b/application/Preorder/PreorderController.php
index 7d4736be1..0bfb46d96 100644
--- a/application/Preorder/PreorderController.php
+++ b/application/Preorder/PreorderController.php
@@ -82,12 +82,12 @@ class PreorderController extends mfBaseController {
     
     if(array_key_exists("address", $filter)) {
       $address = $this->db()->escape($filter['address']);
-      $new_filter['add-where'] = " AND (adb_hausnummer.gemeinde like '%$address%' OR adb_hausnummer.plz like '%$address%' OR adb_hausnummer.strasse like '%$address%')";
+      $new_filter['add-where'] .= " AND (adb_hausnummer.gemeinde like '%$address%' OR adb_hausnummer.plz like '%$address%' OR adb_hausnummer.strasse like '%$address%')";
     }
     
     if(array_key_exists("kunde", $filter)) {
       $kunde = $this->db()->escape($filter['kunde']);
-      $new_filter['add-where'] = " AND (firstname like '%$kunde%' OR lastname like '%$kunde%' OR street like '%$kunde%' OR zip like '%$kunde%' OR city like '%$kunde%')";
+      $new_filter['add-where'] .= " AND (firstname like '%$kunde%' OR lastname like '%$kunde%' OR street like '%$kunde%' OR zip like '%$kunde%' OR city like '%$kunde%')";
     }