diff --git a/zmsdb/src/Zmsdb/Helper/ArchivedDataIntoStatisticByCron.php b/zmsdb/src/Zmsdb/Helper/ArchivedDataIntoStatisticByCron.php
index 68209d52d..b64460931 100644
--- a/zmsdb/src/Zmsdb/Helper/ArchivedDataIntoStatisticByCron.php
+++ b/zmsdb/src/Zmsdb/Helper/ArchivedDataIntoStatisticByCron.php
@@ -88,8 +88,12 @@ protected function writeProcessInStatisticTable(
         $commit = false
     ) {
         $requestList = (new \BO\Zmsdb\Request())->readRequestByArchiveId($process->archiveId);
-        $requestList = ($requestList->count()) ? $requestList : [new \BO\Zmsentities\Request(['id' => '-1'])];
-        $processingTime = $requestList->count() === 1 ? $process->bearbeitungszeit : null;
+        $processingTime = null;
+        if ($requestList->count()) {
+            $processingTime = $requestList->count() === 1 ? $process->bearbeitungszeit : null;
+        } else {
+            $requestList = [new \BO\Zmsentities\Request(['id' => '-1'])];
+        }
 
         foreach ($requestList as $request) {
             $archived = true; // for verbose