diff --git a/Sora/Utils/JSLoader/Downloads/JSController+MP4Download.swift b/Sora/Utils/JSLoader/Downloads/JSController+MP4Download.swift
index 7178908..8e59845 100644
--- a/Sora/Utils/JSLoader/Downloads/JSController+MP4Download.swift
+++ b/Sora/Utils/JSLoader/Downloads/JSController+MP4Download.swift
@@ -99,8 +99,7 @@ extension JSController {
             request.addValue(value, forHTTPHeaderField: key)
         }
         
-        // Use a background session so downloads continue if app is backgrounded or view is dismissed
-        let sessionIdentifier = "mp4-background-(downloadID.uuidString)"
+        let sessionIdentifier = "mp4-background-\(downloadID.uuidString)"
         let sessionConfig = URLSessionConfiguration.background(withIdentifier: sessionIdentifier)
         sessionConfig.timeoutIntervalForRequest = 60.0
         sessionConfig.timeoutIntervalForResource = 1800.0