diff --git a/administrator/templates/isis/component.php b/administrator/templates/isis/component.php
index db0db5f4408e0..1b4882f929fe8 100644
--- a/administrator/templates/isis/component.php
+++ b/administrator/templates/isis/component.php
@@ -41,6 +41,9 @@
 // Load custom.css
 JHtml::_('stylesheet', 'custom.css', array('version' => 'auto', 'relative' => true));
 
+// Load custom JS if exists
+JHtml::_('script', 'custom.js', array('version' => 'auto', 'relative' => true));
+
 // Link color
 if ($this->params->get('linkColor'))
 {
diff --git a/administrator/templates/isis/index.php b/administrator/templates/isis/index.php
index 0ccee0c89f262..7b177407b9f40 100644
--- a/administrator/templates/isis/index.php
+++ b/administrator/templates/isis/index.php
@@ -36,6 +36,9 @@
 // Add html5 shiv
 JHtml::_('script', 'jui/html5.js', array('version' => 'auto', 'relative' => true, 'conditional' => 'lt IE 9'));
 
+// Load custom JS if exists
+JHtml::_('script', 'custom.js', array('version' => 'auto', 'relative' => true));
+
 // Add Stylesheets
 JHtml::_('stylesheet', 'template' . ($this->direction === 'rtl' ? '-rtl' : '') . '.css', array('version' => 'auto', 'relative' => true));