diff --git a/app/pages/admin/book/index.vue b/app/pages/admin/book/index.vue
index 56b7057..6e34e74 100644
--- a/app/pages/admin/book/index.vue
+++ b/app/pages/admin/book/index.vue
@@ -155,11 +155,11 @@ function setChapterPage(slug: string, val: string) {
 }
 
 // Charger le sommaire PDF côté client via l'API serveur
-if (import.meta.client) {
+onMounted(() => {
   $fetch<Array<{ title: string; page: number; level: number }>>('/api/admin/pdf-outline')
     .then((data) => { pdfOutline.value = data })
-    .catch(() => {})
-}
+    .catch((err) => { console.warn('PDF outline load failed:', err) })
+})
 
 async function savePdfConfig() {
   if (!bookConfig.value) return