diff --git a/app/ytdl.py b/app/ytdl.py
index f40c0ac..d4955f3 100644
--- a/app/ytdl.py
+++ b/app/ytdl.py
@@ -55,6 +55,8 @@ class Download:
         self.output_template_chapter = output_template_chapter
         self.format = get_format(format, quality)
         self.ytdl_opts = get_opts(format, quality, ytdl_opts)
+        if "impersonate" in self.ytdl_opts:
+            self.ytdl_opts["impersonate"] = yt_dlp.networking.impersonate.ImpersonateTarget.from_str(self.ytdl_opts["impersonate"])
         self.info = info
         self.canceled = False
         self.tmpfilename = None