diff --git a/CRM/Event/Form/ManageEvent/EventInfo.php b/CRM/Event/Form/ManageEvent/EventInfo.php
index 4ca39edf26c8..b1f0d7816ff9 100644
--- a/CRM/Event/Form/ManageEvent/EventInfo.php
+++ b/CRM/Event/Form/ManageEvent/EventInfo.php
@@ -45,6 +45,7 @@ class CRM_Event_Form_ManageEvent_EventInfo extends CRM_Event_Form_ManageEvent {
    */
   public function preProcess() {
     parent::preProcess();
+    $this->assign('selectedChild', 'settings');
 
     if ($this->_id) {
       $this->assign('entityID', $this->_id);
diff --git a/CRM/Event/Form/ManageEvent/Fee.php b/CRM/Event/Form/ManageEvent/Fee.php
index 10c4e23d7340..e477d320ab86 100644
--- a/CRM/Event/Form/ManageEvent/Fee.php
+++ b/CRM/Event/Form/ManageEvent/Fee.php
@@ -60,6 +60,7 @@ class CRM_Event_Form_ManageEvent_Fee extends CRM_Event_Form_ManageEvent {
    */
   public function preProcess() {
     parent::preProcess();
+    $this->assign('selectedChild', 'fee');
   }
 
   /**
diff --git a/CRM/Event/Form/ManageEvent/Location.php b/CRM/Event/Form/ManageEvent/Location.php
index d28b2187fd00..602c1f991bc5 100644
--- a/CRM/Event/Form/ManageEvent/Location.php
+++ b/CRM/Event/Form/ManageEvent/Location.php
@@ -72,6 +72,7 @@ class CRM_Event_Form_ManageEvent_Location extends CRM_Event_Form_ManageEvent {
    */
   public function preProcess() {
     parent::preProcess();
+    $this->assign('selectedChild', 'location');
 
     $this->_values = $this->get('values');
     if ($this->_id && empty($this->_values)) {
diff --git a/CRM/Event/Form/ManageEvent/Registration.php b/CRM/Event/Form/ManageEvent/Registration.php
index a39bc136a542..58aae9eea8eb 100644
--- a/CRM/Event/Form/ManageEvent/Registration.php
+++ b/CRM/Event/Form/ManageEvent/Registration.php
@@ -55,6 +55,7 @@ public function preProcess() {
     $this->_profileBottomNumAdd = CRM_Utils_Array::value('addProfileNumAdd', $_GET, 0);
 
     parent::preProcess();
+    $this->assign('selectedChild', 'registration');
 
     $this->assign('addProfileBottom', $this->_addProfileBottom);
     $this->assign('profileBottomNum', $this->_profileBottomNum);
diff --git a/CRM/Event/Form/ManageEvent/Repeat.php b/CRM/Event/Form/ManageEvent/Repeat.php
index 5d1bb1dfb177..e95c2245a0dc 100644
--- a/CRM/Event/Form/ManageEvent/Repeat.php
+++ b/CRM/Event/Form/ManageEvent/Repeat.php
@@ -25,6 +25,7 @@ class CRM_Event_Form_ManageEvent_Repeat extends CRM_Event_Form_ManageEvent {
 
   public function preProcess() {
     parent::preProcess();
+    $this->assign('selectedChild', 'repeat');
     $this->assign('currentEventId', $this->_id);
 
     $checkParentExistsForThisId = CRM_Core_BAO_RecurringEntity::getParentFor($this->_id, 'civicrm_event');
diff --git a/CRM/Event/Form/ManageEvent/ScheduleReminders.php b/CRM/Event/Form/ManageEvent/ScheduleReminders.php
index 475a03767185..1be9f471620a 100644
--- a/CRM/Event/Form/ManageEvent/ScheduleReminders.php
+++ b/CRM/Event/Form/ManageEvent/ScheduleReminders.php
@@ -47,6 +47,7 @@ class CRM_Event_Form_ManageEvent_ScheduleReminders extends CRM_Event_Form_Manage
    */
   public function preProcess() {
     parent::preProcess();
+    $this->assign('selectedChild', 'reminder');
     $setTab = CRM_Utils_Request::retrieve('setTab', 'Int', $this, FALSE, 0);
 
     $mapping = CRM_Utils_Array::first(CRM_Core_BAO_ActionSchedule::getMappings(array(
diff --git a/CRM/Friend/Form/Event.php b/CRM/Friend/Form/Event.php
index 87e336bad83c..253be69ccc3c 100644
--- a/CRM/Friend/Form/Event.php
+++ b/CRM/Friend/Form/Event.php
@@ -48,6 +48,7 @@ class CRM_Friend_Form_Event extends CRM_Event_Form_ManageEvent {
 
   public function preProcess() {
     parent::preProcess();
+    $this->assign('selectedChild', 'friend');
   }
 
   /**
diff --git a/CRM/PCP/Form/Event.php b/CRM/PCP/Form/Event.php
index 74ae82e4919e..4e0e51977da0 100644
--- a/CRM/PCP/Form/Event.php
+++ b/CRM/PCP/Form/Event.php
@@ -49,6 +49,7 @@ class CRM_PCP_Form_Event extends CRM_Event_Form_ManageEvent {
 
   public function preProcess() {
     parent::preProcess();
+    $this->assign('selectedChild', 'pcp');
   }
 
   /**