diff --git a/gst/isomp4/qtdemux.c b/gst/isomp4/qtdemux.c
index bbfed6f73d..77d3272932 100644
--- a/gst/isomp4/qtdemux.c
+++ b/gst/isomp4/qtdemux.c
@@ -2467,6 +2467,9 @@ qtdemux_parse_piff (GstQTDemux * qtdemux, const guint8 * buffer, gint length,
   const gchar *system_id;
   gboolean uses_sub_sample_encryption = FALSE;
 
+  if (!qtdemux->streams)
+    return;
+
   stream = qtdemux->streams[0];
 
   structure = gst_caps_get_structure (stream->caps, 0);