diff --git a/ffmpeg.c b/ffmpeg.c
index 8f6f039f91..8d727a3a52 100644
--- a/ffmpeg.c
+++ b/ffmpeg.c
@@ -1633,6 +1633,7 @@ static void do_video_out(AVFormatContext *s, OutputStream *ost,
                 write_frame(s, &pkt, ost);
                 frame_size = pkt.size;
                 video_size += pkt.size;
+                av_free_packet(&pkt);
 
                 /* if two pass, output log */
                 if (ost->logfile && enc->stats_out) {