diff --git a/backend/download/src/yt_dlp_handler.py b/backend/download/src/yt_dlp_handler.py
index a2bf32f0..cfd3e4c7 100644
--- a/backend/download/src/yt_dlp_handler.py
+++ b/backend/download/src/yt_dlp_handler.py
@@ -175,7 +175,7 @@ class VideoDownloader(DownloaderBase):
             format_sort_list = [i.strip() for i in format_sort.split(",")]
             self.obs["format_sort"] = format_sort_list
         if self.config["downloads"].get("audio_multistream"):
-            self.obs["audio_multistream"] = True
+            self.obs["audio_multistreams"] = True
         if self.config["downloads"]["limit_speed"]:
             self.obs["ratelimit"] = (
                 self.config["downloads"]["limit_speed"] * 1024
@@ -206,7 +206,7 @@ class VideoDownloader(DownloaderBase):
         if overwrites and overwrites.get("download_format"):
             obs["format"] = overwrites.get("download_format")
         if overwrites and overwrites.get("audio_multistream") is not None:
-            obs["audio_multistream"] = overwrites.get("audio_multistream")
+            obs["audio_multistreams"] = overwrites.get("audio_multistream")
 
     def _dl_single_vid(self, youtube_id: str, channel_id: str) -> bool:
         """download single video"""