diff --git a/ox/file.py b/ox/file.py
index ccaa838..7a48cd6 100644
--- a/ox/file.py
+++ b/ox/file.py
@@ -19,7 +19,8 @@ __all__ = ['sha1sum', 'oshash', 'avinfo', 'makedirs', 'iexists']
 EXTENSIONS = {
     'audio': [
         'aac', 'aif', 'aiff', 'amr',
-        'flac', 'm4a', 'mp3', 'oga', 'ogg', 'wav', 'wma', 'opus'
+        'flac', 'm4a', 'mp3', 'oga', 'ogg', 'wav', 'wma', 'opus',
+        'ra',  # Real Audio
     ],
     'image': [
         'bmp', 'gif', 'jpeg', 'jpg', 'png', 'svg', 'webp'
@@ -34,6 +35,7 @@ EXTENSIONS = {
         'mod', 'tod',  # http://en.wikipedia.org/wiki/MOD_and_TOD
         'mxf', 'ts',
         'dat',  # VOD files
+        'rm',  # Real Media
     ],
 }