diff --git a/libraries/src/Toolbar/Button/HelpButton.php b/libraries/src/Toolbar/Button/HelpButton.php
index 36e5ac3be1cfe..225d9d71a8316 100644
--- a/libraries/src/Toolbar/Button/HelpButton.php
+++ b/libraries/src/Toolbar/Button/HelpButton.php
@@ -41,7 +41,7 @@ class HelpButton extends BasicButton
 	protected function prepareOptions(array &$options)
 	{
 		$options['text'] = $options['text'] ?: 'JTOOLBAR_HELP';
-		$options['icon'] = $options['icon'] ?? 'fa fa-question';
+		$options['icon'] = $options['icon'] ?? 'icon-help';
 		$options['button_class'] = $options['button_class'] ?? 'btn btn-info';
 		$options['onclick'] = $options['onclick'] ?? $this->_getCommand();