diff --git a/application/Preorder/Preorder.php b/application/Preorder/Preorder.php
index 73041b376..e584bc743 100644
--- a/application/Preorder/Preorder.php
+++ b/application/Preorder/Preorder.php
@@ -579,7 +579,6 @@ class Preorder extends mfBaseModel {
                         if(!$hflag) {
                             $this->log->warn("[".$this->_ruid."] "."Statusflag Code ".$flag->code." does not exist");
                         } else {
-                            //var_dump($hflag);exit;
                             $hflag->hausnummer_id = $hausnummer->id;
                             $hflag->value->value = $flag->value->value;
                             $hflag->value->save();
@@ -660,38 +659,31 @@ class Preorder extends mfBaseModel {
     }
 
     public function syncStatusFlagsFromAdb() {
-        if(!$this->adb_hausnummer_id) return true;
+        if(!$this->id || !$this->adb_hausnummer_id) return true;
 
         $hausnummer = $this->getProperty("adb_hausnummer");
 
         foreach(ADBStatusflagModel::getAll() as $hflag) {
-            $hflag_value = ADBHausnummerStatusflagValueModel::search(["hausnummer_id" => $hausnummer->id, "flag_id" => $hflag->id]);
-            if(!$hflag_value) {
-                $hflag_value = ADBHausnummerStatusflagValueModel::create([
-                    "hausnummer_id" => $hausnummer->id,
-                    "flag_id" => $hflag->id
-                ]);
-            }
-
             $val = $hausnummer->statusflags[$hflag->id]->value->value;
-            //var_dump($hausnummer->statusflags[$hflag->id]->value->value);exit;
+            /*if($hflag->code == 141) {
+                var_dump($hausnummer->statusflags[$hflag->id],$hausnummer->statusflags[$hflag->id]->value);exit;
+            }*/
 
             $pflag = PreorderStatusflagModel::getFirst(["preorder_id" => $this->id, "code" => $hflag->code]);
             if(!$pflag) {
                 $this->log->error("[".$this->_ruid."] ".__METHOD__."PreorderStatusFlag with code ".$hflag->code." not found!");
                 continue;
             }
-            $pflag_value = PreorderStatusflagValueModel::getFirst(["preorder_id" => $this->id, "flag_id" => $pflag->id]);
-            if(!$pflag_value) {
-                $pflag_value = PreorderStatusflagValueModel::create([
-                    "preorder_id" => $this->id,
-                    "flag_id" => $pflag->id
-                ]);
+            $pflag->preorder_id = $this->id;
+
+            if($hflag->code == 141) {
+                var_dump($pflag, $pflag->value, $val);
             }
-            $pflag_value->value = ($val) ? 1 : 0;
-            //var_dump($pflag_value);
-            $pflag_value->save();
-            //echo "saved value ".$pflag_value->value." for flag_id ".$pflag->id."\n";
+            if($pflag->value->value != $val) {
+                $pflag->value->value = $val;
+                $pflag->value->save();
+            }
+
         }
 
         return true;
diff --git a/application/PreorderStatusflag/PreorderStatusflag.php b/application/PreorderStatusflag/PreorderStatusflag.php
index 0245c52c0..f49c2d4ee 100644
--- a/application/PreorderStatusflag/PreorderStatusflag.php
+++ b/application/PreorderStatusflag/PreorderStatusflag.php
@@ -9,13 +9,18 @@ class PreorderStatusflag extends mfBaseModel {
 
             if($name  == "value") {
                 if(!$this->preorder_id) return null;
-                $value = PreorderStatusflagValueModel::getFirst(["preorder_id" => $this->preorder_id, "flag_id" => $this->id]);
+
+                $value = mfValuecache::singleton()->get("mfObjectmodel-PreorderStatusflagValue-{$this->code}-".$this->preorder_id);
                 if(!$value) {
-                    $value = PreorderStatusflagValueModel::create([
-                        "preorder_id" => $this->preorder_id,
-                        "flag_id" => $this->id
-                    ]);
+                    $value = PreorderStatusflagValueModel::getFirst(["preorder_id" => $this->preorder_id, "flag_id" => $this->id]);
+                    if (!$value) {
+                        $value = PreorderStatusflagValueModel::create([
+                            "preorder_id" => $this->preorder_id,
+                            "flag_id" => $this->id
+                        ]);
+                    }
                 }
+                mfValuecache::singleton()->set("mfObjectmodel-PreorderStatusflagValue-{$this->code}-".$this->preorder_id, $value);
                 $this->value = $value;
                 return $this->value;
             }