diff --git a/modules/demux/mp4/libmp4.c b/modules/demux/mp4/libmp4.c
index 4ac1ba1bd4ffb8c27e6b3b706a56f56a4f49cfc0..8685697d89b7da008a9422300410eeab46d02233 100644
--- a/modules/demux/mp4/libmp4.c
+++ b/modules/demux/mp4/libmp4.c
@@ -3312,6 +3312,7 @@ static const struct
 
     /* for codecs */
     { ATOM_soun,    MP4_ReadBox_sample_soun,  MP4_FreeBox_sample_soun },
+    { ATOM_lpcm,    MP4_ReadBox_sample_soun,  MP4_FreeBox_sample_soun },
     { ATOM_ms02,    MP4_ReadBox_sample_soun,  MP4_FreeBox_sample_soun },
     { ATOM_ms11,    MP4_ReadBox_sample_soun,  MP4_FreeBox_sample_soun },
     { ATOM_ms55,    MP4_ReadBox_sample_soun,  MP4_FreeBox_sample_soun },
diff --git a/modules/demux/mp4/libmp4.h b/modules/demux/mp4/libmp4.h
index 2937bc1e3fc8d3a2a1da01f6ea3e13fec1b7450e..967dfe79f55dfdd5ae9803eaf2eab05b59213a92 100644
--- a/modules/demux/mp4/libmp4.h
+++ b/modules/demux/mp4/libmp4.h
@@ -112,6 +112,7 @@
 #define ATOM_3gp4 VLC_FOURCC( '3', 'g', 'p', '4' )
 #define ATOM_esds VLC_FOURCC( 'e', 's', 'd', 's' )
 
+#define ATOM_lpcm VLC_FOURCC( 'l', 'p', 'c', 'm' )
 #define ATOM__mp3 VLC_FOURCC( '.', 'm', 'p', '3' )
 #define ATOM_ms02 VLC_FOURCC( 'm', 's', 0x0, 0x02 )
 #define ATOM_ms11 VLC_FOURCC( 'm', 's', 0x0, 0x11 )