diff --git a/administrator/components/com_modules/tmpl/module/edit.php b/administrator/components/com_modules/tmpl/module/edit.php
index f7e5e315761e3..982bbf002d4fc 100644
--- a/administrator/components/com_modules/tmpl/module/edit.php
+++ b/administrator/components/com_modules/tmpl/module/edit.php
@@ -107,7 +107,7 @@
 							<p><?php echo $short_description; ?></p>
 							<?php if ($long_description) : ?>
 								<p class="readmore">
-									<a href="#" onclick="document.querySelector('#tab-description').click();">
+									<a href="#" onclick="document.getElementById('myTab').activateTab(document.getElementById('description'));">
 										<?php echo Text::_('JGLOBAL_SHOW_FULL_DESCRIPTION'); ?>
 									</a>
 								</p>