diff --git a/lib/player.js b/lib/player.js
index c3fbf3fca7..dd4ddad104 100644
--- a/lib/player.js
+++ b/lib/player.js
@@ -6574,6 +6574,7 @@ shaka.Player.SRC_EQUAL_EXTENSIONS_TO_MIME_TYPES_ = {
   'mpg': 'video/mpeg',
   'mpeg': 'video/mpeg',
   'm3u8': 'application/x-mpegurl',
+  'mpd': 'application/dash+xml',
   'mp3': 'audio/mpeg',
   'aac': 'audio/aac',
   'flac': 'audio/flac',