diff --git a/application/Admin/functions/RtrReporting.php b/application/Admin/functions/RtrReporting.php
index c720bb831..9a6929f50 100644
--- a/application/Admin/functions/RtrReporting.php
+++ b/application/Admin/functions/RtrReporting.php
@@ -5,6 +5,11 @@ class Admin_RtrReporting {
     private $db;
     private $log;
     private $flash = [];
+    private $systemowner_id = 1;
+
+    private $additional_owner_networks = [
+        7 // mortantsch
+    ];
 
     public function __construct($request = false) {
         $this->request = $request;
@@ -41,6 +46,9 @@ class Admin_RtrReporting {
 
         $rasterpunkte = [];
         foreach(BuildingModel::getAll() as $building) {
+            // limit to sytemowners networks
+            if($building->network->owner_id != $this->systemowner_id && !in_array($building->network->owner_id, $this->additional_owner_networks)) continue;
+
             $raster = $building->laea;
             if(!$raster) continue;
 
@@ -62,7 +70,7 @@ class Admin_RtrReporting {
                     "user_count" => 0
                 ];
             }
-            $rasterpunkte[$raster][$prod_code]["user_count"] += $user_count;
+            $rasterpunkte[$raster][$prod_code]["user_count"] = $user_count;
         }
 
         $building = new Building();
@@ -72,7 +80,7 @@ class Admin_RtrReporting {
 
             $address = $contract->owner;
             if(!$address->gps_lat || !$address->gps_long || !$address->laea) {
-                $address->save(); // gets gps and laea
+                $address->save(); // gets gps and laea after saving
             }
 
             $raster = $address->laea;
@@ -105,7 +113,7 @@ class Admin_RtrReporting {
                 continue;
             }
 
-            $rasterpunkte[$raster][$prod_code]["user_count"] += $rtr100m->unit_count;
+            $rasterpunkte[$raster][$prod_code]["user_count"] = $rtr100m->unit_count;
 
         }