diff --git a/module/mr/model.php b/module/mr/model.php
index db71b79297..08dc1d4f0f 100644
--- a/module/mr/model.php
+++ b/module/mr/model.php
@@ -327,7 +327,7 @@ class mrModel extends model
                         $todo->assignedBy   = $this->app->user->account;
                         $todo->date         = date("Y-m-d", strtotime($rawTodo->target->created_at));
                         $todo->assignedDate = $rawTodo->target->created_at;
-                        $todo->begin        = date("Hi", strtotime($rawTodo->target->created_at));
+                        $todo->begin        = '2400'; /* 2400 means end is 'undefined'. */
                         $todo->end          = '2400'; /* 2400 means end is 'undefined'. */
                         $todo->type         = 'custom';
                         $todo->idvalue      = $rawTodo->id;