diff --git a/static/js/cours.js b/static/js/cours.js
index 5eb8869..807a996 100644
--- a/static/js/cours.js
+++ b/static/js/cours.js
@@ -30,7 +30,7 @@ const buildFileTree = (parent, data, location) => {
 
     if (item.is_dir) {
       // Directory
-      li.textContent = item.name;
+      li.textContent = capitalize(item.name);
       li.classList.add("collapsed");
 
       // Toggle collapsing on click