diff --git a/CRM/Admin/Form/ScheduleReminders.php b/CRM/Admin/Form/ScheduleReminders.php
index 21f82dc32150..21535cd02d91 100644
--- a/CRM/Admin/Form/ScheduleReminders.php
+++ b/CRM/Admin/Form/ScheduleReminders.php
@@ -88,6 +88,7 @@ public function buildQuickForm() {
         )));
         if ($mapping) {
           $this->_mappingID = $mapping->getId();
+          $this->add('hidden', 'mappingID', $this->_mappingID);
         }
         else {
           CRM_Core_Error::fatal('Could not find mapping for event scheduled reminders.');
diff --git a/templates/CRM/Admin/Form/ScheduleReminders.tpl b/templates/CRM/Admin/Form/ScheduleReminders.tpl
index 0ebb82761d3a..259148dafb24 100644
--- a/templates/CRM/Admin/Form/ScheduleReminders.tpl
+++ b/templates/CRM/Admin/Form/ScheduleReminders.tpl
@@ -194,7 +194,7 @@
       $('#mode', $form).change(loadMsgBox);
 
       function populateRecipient() {
-        var mappingID = $('#entity_0', $form).val();
+        var mappingID = $('#entity_0', $form).val() || $('[name^=mappingID]', $form).val();
         var recipient = $("#recipient", $form).val();
         $("#recipientList", $form).hide();
         if ($('#limit_to').val() != '' ) {