diff --git a/modules/backend/helpers/Backend.php b/modules/backend/helpers/Backend.php
index 16793dcaa3..90d4c427b6 100644
--- a/modules/backend/helpers/Backend.php
+++ b/modules/backend/helpers/Backend.php
@@ -100,7 +100,7 @@ public static function makeCarbon($value, $throwException = true)
             $carbon->setTimezone(\Backend\Models\Preference::get('timezone'));
         } catch (Exception $ex) {
             // Use system default
-            $carbon->setTimezone(Config::get('backend.timezone', Config::get('app.timezone')));
+            $carbon->setTimezone(Config::get('cms.backendTimezone', Config::get('app.timezone')));
         }
 
         return $carbon;