diff --git a/confiture-web-app/src/components/ui/Tiptap.vue b/confiture-web-app/src/components/ui/Tiptap.vue
index ca5909c4..6a4bef9b 100644
--- a/confiture-web-app/src/components/ui/Tiptap.vue
+++ b/confiture-web-app/src/components/ui/Tiptap.vue
@@ -43,7 +43,7 @@ function getContent() {
 const editor = useEditor({
   content: getContent(),
   extensions: [
-    CodeBlockLowlight.configure({ lowlight }),
+    CodeBlockLowlight.configure({ lowlight, defaultLanguage: "html" }),
     Highlight,
     Heading.configure({
       levels: [2, 3, 4, 5, 6]