diff --git a/htdocs/comm/action/index.php b/htdocs/comm/action/index.php
index 1971b2db8dc..ce3a9f26509 100644
--- a/htdocs/comm/action/index.php
+++ b/htdocs/comm/action/index.php
@@ -467,7 +467,7 @@ if (!empty($conf->use_javascript_ajax))	// If javascript on
 	$s .= "\n".'<!-- Div to calendars selectors -->'."\n";
 	$s .= '<script type="text/javascript">'."\n";
 	$s .= 'jQuery(document).ready(function () {'."\n";
-	$s .= 'jQuery("#check_birthday").click(function() { console.log("Toggle birthday"); jQuery(".family_birthday").toggle(); });'."\n";
+	$s .= 'jQuery(".check_birthday").click(function() { console.log("Toggle birthday"); jQuery(".family_birthday").toggle(); });'."\n";
 	$s .= 'jQuery(".family_birthday").toggle();'."\n";
 	if ($action == "show_week" || $action == "show_month" || empty($action))
 	{
@@ -510,7 +510,7 @@ if (!empty($conf->use_javascript_ajax))	// If javascript on
 	}
 
 	// Birthdays
-	$s .= '<div class="nowrap inline-block"><input type="checkbox" id="check_birthday" name="check_birthday"> '.$langs->trans("AgendaShowBirthdayEvents").' &nbsp; </div>';
+	$s .= '<div class="nowrap inline-block"><input type="checkbox" id="check_birthday" name="check_birthday" class="check_birthday"> <span class="check_birthday_text">'.$langs->trans("AgendaShowBirthdayEvents").'</span> &nbsp; </div>';
 
 	// Calendars from hooks
     $parameters = array(); $object = null;