diff --git a/src/Controller/RiderController.php b/src/Controller/RiderController.php
index 914baffc..db986ee3 100644
--- a/src/Controller/RiderController.php
+++ b/src/Controller/RiderController.php
@@ -333,6 +333,10 @@ class RiderController extends BaseController
         $break_end_input = $req->request->get('break_end');
         $has_schedule = $req->request->get('has_schedule');
 
+        // intitialize has schedule to an array
+        if ($has_schedule == null)
+            $has_schedule = [];
+
         foreach ($days_of_week as $key => $day) {
             if (in_array($key, $has_schedule)) {
                 $serror_array = [];