diff --git a/gst/multifile/gstsplitmuxpartreader.c b/gst/multifile/gstsplitmuxpartreader.c
index 062be469f8..59ecb36f66 100644
--- a/gst/multifile/gstsplitmuxpartreader.c
+++ b/gst/multifile/gstsplitmuxpartreader.c
@@ -60,6 +60,7 @@ typedef struct _GstSplitMuxPartPad
   gboolean flushing;
   gboolean seen_buffer;
 
+  gboolean is_sparse;
   GstClockTime max_ts;
   GstSegment segment;
 
@@ -341,6 +342,12 @@ splitmux_part_pad_event (GstPad * pad, GstObject * parent, GstEvent * event)
     goto drop_event;
 
   switch (GST_EVENT_TYPE (event)) {
+    case GST_EVENT_STREAM_START:{
+      GstStreamFlags flags;
+      gst_event_parse_stream_flags (event, &flags);
+      part_pad->is_sparse = (flags & GST_STREAM_FLAG_SPARSE);
+      break;
+    }
     case GST_EVENT_SEGMENT:{
       GstSegment *seg = &part_pad->segment;