diff --git a/app/Models/mBills.php b/app/Models/mBills.php
index 4bc2b28..bfd88b2 100644
--- a/app/Models/mBills.php
+++ b/app/Models/mBills.php
@@ -27,18 +27,30 @@ class mBills extends Model {
         $quelle = model('App\Models\mAccounts');
         $this->where('datum >=',  date( 'Y-m-d', strtotime($start)));
         $this->where('datum <=',  date( 'Y-m-d', strtotime($ende)));
+        // alle Detailsbuchungen wo account id übereinstimmt
         if ($source > 0) {
             $subs = $details->select('bill_id')->where('account_id',$source)->findAll();
-            $keys=array();
-            foreach ($subs as $value) {
-                $keys[] = intval($value->bill_id);
+//            log_message('error', 'Get Entries Det {msg}', ['msg'=>(string)$this->db->getLastQuery()]);
+            if (0 < sizeof($subs)){
+                $keys=array();
+                foreach ($subs as $value) {
+                    $keys[] = intval($value->bill_id);
+                }
+                $this->groupStart();
+                $this->where('source_id',  $source );
+                $this->orWhereIn('id',  $keys );
+                $this->groupEnd();
+    
+            } else {
+                $this->where('source_id',  $source );
             }
-            $this->groupStart();
-            $this->where('source_id',  $source );
-            $this->orWhereIn('id',  $keys );
-            $this->groupEnd();
         }
+
         $result = $this->orderBy('datum','desc')->where('lkz',null)->findAll();
+        if (0 == sizeof($result)){
+            return $result;
+        }
+
         $keys=array();
         foreach ($result as $value) {
             $keys[] = intval($value->id);