diff --git a/libmpdemux/demux_audio.c b/libmpdemux/demux_audio.c
index fbbbdae088..20744182e1 100644
--- a/libmpdemux/demux_audio.c
+++ b/libmpdemux/demux_audio.c
@@ -391,15 +391,15 @@ static int demux_audio_open(demuxer_t* demuxer) {
     sh_audio->i_bps = sh_audio->wf->nAvgBytesPerSec;
     l -= 16;
     if (l > 0) {
-    w->cbSize = FFMAX(stream_read_word_le(s), 0);
-    l -= 2;
+      w->cbSize = FFMAX(stream_read_word_le(s), 0);
+      l -= 2;
       if (l < w->cbSize) {
         mp_msg(MSGT_DEMUX,MSGL_ERR,"[demux_audio] truncated extradata (%d < %d)\n",
-	l,w->cbSize);
+               l,w->cbSize);
         l = w->cbSize;
       }
-        stream_read(s,(char*)((char*)(w)+sizeof(WAVEFORMATEX)),w->cbSize);
-        l -= w->cbSize;
+      stream_read(s,(char*)((char*)(w)+sizeof(WAVEFORMATEX)),w->cbSize);
+      l -= w->cbSize;
     }
 
     if( mp_msg_test(MSGT_DEMUX,MSGL_V) ) print_wave_header(w, MSGL_V);