diff --git a/scripts/addressdb/gross-st-florian/addressdb_update_wohneinheiten.php b/scripts/addressdb/gross-st-florian/addressdb_update_wohneinheiten.php
new file mode 100644
index 000000000..03d5eb3c3
--- /dev/null
+++ b/scripts/addressdb/gross-st-florian/addressdb_update_wohneinheiten.php
@@ -0,0 +1,50 @@
+#!/usr/bin/php
+<?php
+
+//require 'vendor/autoload.php';
+require("../../../config/config.php");
+
+define('FRONKDB_SQLDEBUG',false);
+error_reporting(E_ALL & ~(E_NOTICE | E_STRICT | E_DEPRECATED));
+
+require_once(LIBDIR."/mvcfronk/mfRouter/mfRouter.php");
+require_once(LIBDIR."/mvcfronk/mfBase/mfBaseModel.php");
+require_once(LIBDIR."/mvcfronk/mfBase/mfBaseController.php");
+
+$me = new User(1);
+
+$db = FronkDB::singleton(ADDRESSDB_DBHOST, ADDRESSDB_DBUSER, ADDRESSDB_DBPASS, ADDRESSDB_DBNAME);
+$log = mfLoghandler::singleton();
+
+foreach(ADBHausnummerModel::search(['netzgebiet_id' => 4]) as $hausnummer) {
+  $units = [];
+  $units['--no-zusatz--'] = [];
+  foreach(ADBWohneinheitModel::search(['hausnummer_id' => $hausnummer->id]) as $einheit) {
+    if($einheit->zusatz) {
+      if(!array_key_exists($einheit->zusatz, $units)) {
+        $units[$einheit->zusatz] = [];
+      }
+      $units[$einheit->zusatz][] = $einheit;
+    } else {
+      $units['--no-zusatz--'][] = $einheit;
+    }
+  }
+  //if(count($units) === 1) continue;
+  //if(count($units['--no-zusatz--']) === 1) continue;
+  
+  
+  foreach($units as $zusatz => $us) {
+    //if($zusatz == "--no-zusatz--") {
+      if(count($us) > 1) {
+        $tuer = 1;
+        foreach($us as $u) {
+          $u->tuer = $tuer;
+          //if($u->zusatz) var_dump($u);
+          $u->save();
+          $tuer++;
+        }
+        
+      }
+  }
+  
+}