diff --git a/backend/services/ytdlp.py b/backend/services/ytdlp.py
index b9dad2b..8cf15b5 100644
--- a/backend/services/ytdlp.py
+++ b/backend/services/ytdlp.py
@@ -450,14 +450,14 @@ def fetch_dislike_count(youtube_video_id: str) -> int | None:
 
 QUALITY_FORMATS = {
     "best":  "bestvideo+bestaudio/best",
-    "2160p": "bestvideo[height<=2160]+bestaudio/best[height<=2160]",
-    "1440p": "bestvideo[height<=1440]+bestaudio/best[height<=1440]",
-    "1080p": "bestvideo[height<=1080]+bestaudio/best[height<=1080]",
-    "720p":  "bestvideo[height<=720]+bestaudio/best[height<=720]",
-    "480p":  "bestvideo[height<=480]+bestaudio/best[height<=480]",
-    "360p":  "bestvideo[height<=360]+bestaudio/best[height<=360]",
-    "240p":  "bestvideo[height<=240]+bestaudio/best[height<=240]",
-    "144p":  "bestvideo[height<=144]+bestaudio/best[height<=144]",
+    "2160p": "bestvideo[height<=2160]+bestaudio/bestvideo+bestaudio/best",
+    "1440p": "bestvideo[height<=1440]+bestaudio/bestvideo+bestaudio/best",
+    "1080p": "bestvideo[height<=1080]+bestaudio/bestvideo+bestaudio/best",
+    "720p":  "bestvideo[height<=720]+bestaudio/bestvideo+bestaudio/best",
+    "480p":  "bestvideo[height<=480]+bestaudio/bestvideo+bestaudio/best",
+    "360p":  "bestvideo[height<=360]+bestaudio/bestvideo+bestaudio/best",
+    "240p":  "bestvideo[height<=240]+bestaudio/bestvideo+bestaudio/best",
+    "144p":  "bestvideo[height<=144]+bestaudio/bestvideo+bestaudio/best",
 }
 
 
@@ -470,6 +470,8 @@ def detect_resolution(file_path: str) -> str | None:
             capture_output=True, text=True, timeout=15,
         )
         height = int(result.stdout.strip())
+        if height >= 2160: return "2160p"
+        if height >= 1440: return "1440p"
         if height >= 1080: return "1080p"
         if height >= 720:  return "720p"
         if height >= 480:  return "480p"