diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 7ef6cef46a..696ae5a6c9 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -1441,10 +1441,7 @@ static int mov_write_vpcc_tag(AVFormatContext *s, AVIOContext *pb, MOVTrack *tra
 
     avio_wb32(pb, 0);
     ffio_wfourcc(pb, "vpcC");
-    avio_w8(pb, 1); /* version */
-    avio_wb24(pb, 0); /* flags */
     ff_isom_write_vpcc(s, pb, track->vos_data, track->vos_len, track->par);
-
     return update_size(pb, pos);
 }
 
diff --git a/libavformat/vpcc.c b/libavformat/vpcc.c
index ea66959abf..256407dd6d 100644
--- a/libavformat/vpcc.c
+++ b/libavformat/vpcc.c
@@ -208,6 +208,8 @@ int ff_isom_write_vpcc(AVFormatContext *s, AVIOContext *pb,
     if (ret < 0)
         return ret;
 
+    avio_w8(pb, 1); /* version */
+    avio_wb24(pb, 0); /* flags */
     avio_w8(pb, vpcc.profile);
     avio_w8(pb, vpcc.level);
     avio_w8(pb, (vpcc.bitdepth << 4) | (vpcc.chroma_subsampling << 1) | vpcc.full_range_flag);