diff --git a/renderer/lib/torrent-player.js b/renderer/lib/torrent-player.js
index 5713e712..e09adbdd 100644
--- a/renderer/lib/torrent-player.js
+++ b/renderer/lib/torrent-player.js
@@ -16,12 +16,12 @@ function isPlayable (file) {
 
 function isVideo (file) {
   var ext = path.extname(file.name).toLowerCase()
-  return ['.mp4', '.m4v', '.webm', '.mov', '.mkv'].indexOf(ext) !== -1
+  return ['.mp4', '.m4v', '.webm', '.mov', '.mkv', '.avi'].indexOf(ext) !== -1
 }
 
 function isAudio (file) {
   var ext = path.extname(file.name).toLowerCase()
-  return ['.mp3', '.aac', '.ogg', '.wav'].indexOf(ext) !== -1
+  return ['.mp3', '.aac', '.ogg', '.wav', '.ac3'].indexOf(ext) !== -1
 }
 
 function isPlayableTorrent (torrentSummary) {