diff --git a/libavformat/mov.c b/libavformat/mov.c
index ce7e2ec211..12811dbf78 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -5309,6 +5309,7 @@ static int mov_read_close(AVFormatContext *s)
     av_freep(&mov->fragment_index_data);
 
     av_freep(&mov->aes_decrypt);
+    av_freep(&mov->chapter_tracks);
 
     return 0;
 }