diff --git a/libavformat/movenc.c b/libavformat/movenc.c
index 47dde94fd2..8f3b1bc57a 100644
--- a/libavformat/movenc.c
+++ b/libavformat/movenc.c
@@ -3173,6 +3173,14 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
         memcpy(trk->vos_data, enc->extradata, trk->vos_len);
     }
 
+    if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
+        (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
+        if (!s->streams[pkt->stream_index]->nb_frames) {
+            av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
+            return -1;
+        }
+        av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
+    }
     if (enc->codec_id == AV_CODEC_ID_H264 && trk->vos_len > 0 && *(uint8_t *)trk->vos_data != 1) {
         /* from x264 or from bytestream h264 */
         /* nal reformating needed */
@@ -3183,13 +3191,6 @@ int ff_mov_write_packet(AVFormatContext *s, AVPacket *pkt)
         } else {
             size = ff_avc_parse_nal_units(pb, pkt->data, pkt->size);
         }
-    } else if (enc->codec_id == AV_CODEC_ID_AAC && pkt->size > 2 &&
-               (AV_RB16(pkt->data) & 0xfff0) == 0xfff0) {
-        if (!s->streams[pkt->stream_index]->nb_frames) {
-        av_log(s, AV_LOG_ERROR, "malformated aac bitstream, use -absf aac_adtstoasc\n");
-        return -1;
-        }
-        av_log(s, AV_LOG_WARNING, "aac bitstream error\n");
     } else {
         avio_write(pb, pkt->data, size);
     }