diff --git a/weboob/applications/videoob/videoob.py b/weboob/applications/videoob/videoob.py
index 63318a66..a7cd08ed 100644
--- a/weboob/applications/videoob/videoob.py
+++ b/weboob/applications/videoob/videoob.py
@@ -115,11 +115,11 @@ class Videoob(ReplApplication):
                 ext = 'avi'
             dest = '%s.%s' % (video.id, ext)
 
-        if video.url.find('rtmp') == 0:
+        if video.url.startswith('rtmp'):
             if not check_exec('rtmpdump'):
                 return 1
             args = ('rtmpdump', '-r', video.url, '-o', dest)
-        elif video.url.find('mms') == 0:
+        elif video.url.startswith('mms'):
             if not check_exec('mimms'):
                 return 1
             args = ('mimms', video.url, dest)
diff --git a/weboob/tools/application/media_player.py b/weboob/tools/application/media_player.py
index 605a90ef..d673b0c5 100644
--- a/weboob/tools/application/media_player.py
+++ b/weboob/tools/application/media_player.py
@@ -82,7 +82,7 @@ class MediaPlayer(object):
             player_name = self.guess_player_name()
             if player_name is None:
                 raise MediaPlayerNotFound()
-        if media.url.find('rtmp') == 0:
+        if media.url.startswith('rtmp'):
             self._play_rtmp(media, player_name)
         else:
             self._play_default(media, player_name)