diff --git a/extensions/ki_timesheets/init.php b/extensions/ki_timesheets/init.php
index 945744794..fb19ceb4e 100644
--- a/extensions/ki_timesheets/init.php
+++ b/extensions/ki_timesheets/init.php
@@ -128,7 +128,7 @@
 $view->assign('showRates', isset($kga['user']) && $database->global_role_allows($kga['user']['globalRoleID'], 'ki_timesheets-showRates'));
 
 $defaults = [
-    'table_time_format' => $kga['conf']['table_time_format']
+    'table_time_format' => $kga->getTableTimeFormat()
 ];
 $prefs = $database->user_get_preferences_by_prefix('ui.');
 $view->assign('prefs', array_merge($defaults, $prefs));