diff --git a/app/workers/functions.php b/app/workers/functions.php
index 55d71ef368..90f12b895e 100644
--- a/app/workers/functions.php
+++ b/app/workers/functions.php
@@ -296,10 +296,11 @@ class FunctionsV1 extends Worker
                 ->setAttribute('stderr', $executionResponse['stderr'])
                 ->setAttribute('time', $executionResponse['time']);
         } catch (\Throwable $th) {
-            $endtime = \microtime(true);
-            $time = $endtime - $execution->getCreatedAt();
+            $created = new DateTime($execution->getCreatedAt());
+            $now = Database::getCurrentDateTimeObject();
+            $interval = $now->diff($created);
             $execution
-                ->setAttribute('time', $time)
+                ->setAttribute('time', (float)$interval->format('%s.%f'))
                 ->setAttribute('status', 'failed')
                 ->setAttribute('statusCode', $th->getCode())
                 ->setAttribute('stderr', $th->getMessage());