diff --git a/api/src/Repositories/WorkingHoursRepository.php b/api/src/Repositories/WorkingHoursRepository.php
index cad7e9f..f210037 100644
--- a/api/src/Repositories/WorkingHoursRepository.php
+++ b/api/src/Repositories/WorkingHoursRepository.php
@@ -44,7 +44,7 @@ class WorkingHoursRepository implements RepositoryReaderInterface, RepositoryWri
     public function findAll(): array
     {
         $models = [];
-        $stmt = $this->database->prepare('select "Datum" as "workingDay", "Arbeitszeit" as "workingTime" from public."Arbeitszeiten"');
+        $stmt = $this->database->prepare('select "Datum" as "workingDay", "Arbeitszeit" as "workingTime" from public."Arbeitszeiten" order by "Datum"');
         $stmt->execute();
         while ($row = $stmt->fetch()) {
             $model = new WorkingHours();