diff --git a/application/ADBHausnummer/ADBHausnummerModel.php b/application/ADBHausnummer/ADBHausnummerModel.php
index 51b5c3a72..d3e771df3 100644
--- a/application/ADBHausnummer/ADBHausnummerModel.php
+++ b/application/ADBHausnummer/ADBHausnummerModel.php
@@ -143,7 +143,7 @@ class ADBHausnummerModel {
         }
 
         if($join_tables) {
-            $sql .= ") count_table";
+            $sql .= " GROUP BY Hausnummer.id ) count_table";
         }