diff --git a/src/General/BoardConfig.coffee b/src/General/BoardConfig.coffee
index 2e1a5b9ad..da7353867 100644
--- a/src/General/BoardConfig.coffee
+++ b/src/General/BoardConfig.coffee
@@ -43,5 +43,6 @@ BoardConfig =
     board for board, data of (@boards or Conf['boardConfig'].boards) when !!data.ws_board is sfw
 
   noAudio: (boardID) ->
+    return false unless Site.software is 'yotsuba'
     boards = @boards or Conf['boardConfig'].boards
     boards and !boards[boardID].webm_audio