diff --git a/src/main/frontend/extensions/pdf/assets.cljs b/src/main/frontend/extensions/pdf/assets.cljs
index 4ba7bc325..697b58e3e 100644
--- a/src/main/frontend/extensions/pdf/assets.cljs
+++ b/src/main/frontend/extensions/pdf/assets.cljs
@@ -152,6 +152,7 @@
 (defn resolve-ref-page
   [pdf-current]
   (let [page-name (:key pdf-current)
+        page-name (string/trim page-name)
         page-name (str "hls__" page-name)
         page (db-model/get-page page-name)
         url (:url pdf-current)