diff --git a/src/bots/approved_bot/services/book_cache/mod.rs b/src/bots/approved_bot/services/book_cache/mod.rs
index c71be4c..c344af3 100644
--- a/src/bots/approved_bot/services/book_cache/mod.rs
+++ b/src/bots/approved_bot/services/book_cache/mod.rs
@@ -69,7 +69,7 @@ pub async fn download_file(
 
     let headers = response.headers();
 
-    let base64_encoder = general_purpose::STANDARD_NO_PAD;
+    let base64_encoder = general_purpose::STANDARD;
 
     let filename = std::str::from_utf8(
         &base64_encoder