diff --git a/client/api/reader.js b/client/api/reader.js
index 8031e10a..5b1b8ab4 100644
--- a/client/api/reader.js
+++ b/client/api/reader.js
@@ -11,7 +11,7 @@ const workerApi = axios.create({
 
 class Reader {
     async loadBook(url, callback) {
-        const refreshPause = 200;
+        const refreshPause = 300;
         if (!callback) callback = () => {};
 
         let response = await api.post('/load-book', {type: 'url', url});