diff --git a/gst/isomp4/fourcc.h b/gst/isomp4/fourcc.h
index 147027bb53..9e14a78f26 100644
--- a/gst/isomp4/fourcc.h
+++ b/gst/isomp4/fourcc.h
@@ -204,6 +204,7 @@ G_BEGIN_DECLS
 #define FOURCC_stsz     GST_MAKE_FOURCC('s','t','s','z')
 #define FOURCC_stts     GST_MAKE_FOURCC('s','t','t','s')
 #define FOURCC_subp     GST_MAKE_FOURCC('s','u','b','p')
+#define FOURCC_subt     GST_MAKE_FOURCC('s','u','b','t')
 #define FOURCC_text     GST_MAKE_FOURCC('t','e','x','t')
 #define FOURCC_tkhd     GST_MAKE_FOURCC('t','k','h','d')
 #define FOURCC_tmpo     GST_MAKE_FOURCC('t','m','p','o')
diff --git a/gst/isomp4/qtdemux.c b/gst/isomp4/qtdemux.c
index 8153abb7ff..f796735b80 100644
--- a/gst/isomp4/qtdemux.c
+++ b/gst/isomp4/qtdemux.c
@@ -6449,7 +6449,7 @@ gst_qtdemux_add_stream (GstQTDemux * qtdemux,
   } else if (stream->subtype == FOURCC_strm) {
     GST_DEBUG_OBJECT (qtdemux, "stream type, not creating pad");
   } else if (stream->subtype == FOURCC_subp || stream->subtype == FOURCC_text
-      || stream->subtype == FOURCC_sbtl) {
+      || stream->subtype == FOURCC_sbtl || stream->subtype == FOURCC_subt) {
     gchar *name = g_strdup_printf ("subtitle_%u", qtdemux->n_sub_streams);
 
     stream->pad =
@@ -9308,7 +9308,7 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
     }
     stream->sampled = TRUE;
   } else if (stream->subtype == FOURCC_subp || stream->subtype == FOURCC_text
-      || stream->subtype == FOURCC_sbtl) {
+      || stream->subtype == FOURCC_sbtl || stream->subtype == FOURCC_subt) {
 
     stream->sampled = TRUE;
     stream->sparse = TRUE;