diff --git a/libmpdemux/demux_audio.c b/libmpdemux/demux_audio.c
index bc812e5ffa..9b6be0e36e 100644
--- a/libmpdemux/demux_audio.c
+++ b/libmpdemux/demux_audio.c
@@ -159,6 +159,7 @@ int demux_audio_open(demuxer_t* demuxer) {
       break;      
     } else if((mp3_flen = mp_get_mp3_header(hdr,&mp3_chans,&mp3_freq,&mpa_spf,&mpa_layer)) > 0) {
       stream_skip(s, mp3_flen - HDR_SIZE);
+      step = HDR_SIZE;
       mp3_found = add_mp3_hdr(&mp3_hdrs, st_pos, mp3_chans, mp3_freq, mp3_flen);
       if (mp3_found) {
         frmt = MP3;