index 05521fd..44602dc 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -806,7 +806,7 @@ static int mov_read_mvhd(MOVContext *c, AVIOContext *pb, MOVAtom atom)
     avio_rb32(pb); /* selection duration */
     avio_rb32(pb); /* current time */
     avio_rb32(pb); /* next track ID */
-
+       c->fc->duration = c->duration;
     return 0;
 }