diff --git a/javascript/gestion_listes_blocks.js.html b/javascript/gestion_listes_blocks.js.html
index bed53d9e67cfd7fb5e0c5174929eb88dc52eb81d..e5f3e3e3b8cc038efe0a1d0adce7eebaadd7aa0d 100644
--- a/javascript/gestion_listes_blocks.js.html
+++ b/javascript/gestion_listes_blocks.js.html
@@ -116,9 +116,11 @@ function gestion_accordeons_blocks() {
 			const panel = $('#' + controlsId);
 			if(panel.length) {
 				if(panel.is(':visible')) {
+					$(this).parent('.toggle_form').removeClass('visually-hidden');
 					$(this).attr('aria-expanded', false);
 					panel.attr('hidden', true);
 				} else {
+					$(this).parent('.toggle_form').addClass('visually-hidden');
 					$(this).attr('aria-expanded', true);
 					panel.removeAttr('hidden');
 				}