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Diffstat (limited to 'libavformat/movenc.c')
-rw-r--r--libavformat/movenc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 572e781fdc..3ee54bf3f3 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -4048,6 +4048,7 @@ static int mov_write_header(AVFormatContext *s)
if (mov->flags & FF_MOV_FLAG_EMPTY_MOOV &&
!(mov->flags & FF_MOV_FLAG_DELAY_MOOV)) {
mov_write_moov_tag(pb, mov, s);
+ avio_flush(pb);
mov->moov_written = 1;
if (mov->flags & FF_MOV_FLAG_GLOBAL_SIDX)
mov->reserved_header_pos = avio_tell(pb);