diff --git a/app/ytdl.py b/app/ytdl.py
index 16a4fff..8b05857 100644
--- a/app/ytdl.py
+++ b/app/ytdl.py
@@ -39,6 +39,7 @@ class DownloadInfo:
         self.custom_name_prefix = custom_name_prefix
         self.msg = self.percent = self.speed = self.eta = None
         self.status = "pending"
+        self.size = None
         self.timestamp = time.time_ns()
         self.error = error
 
@@ -138,7 +139,9 @@ class Download:
                 return
             self.tmpfilename = status.get('tmpfilename')
             if 'filename' in status:
-                self.info.filename = os.path.relpath(status.get('filename'), self.download_dir)
+                fileName = status['filename']
+                self.info.filename = os.path.relpath(fileName, self.download_dir)
+                self.info.size = os.path.getsize(fileName) if os.path.exists(fileName) else None
 
                 # Set correct file extension for thumbnails
                 if(self.info.format == 'thumbnail'):