diff --git a/libavformat/wtvdec.c b/libavformat/wtvdec.c
index 56050e962e..db9bb10068 100644
--- a/libavformat/wtvdec.c
+++ b/libavformat/wtvdec.c
@@ -287,6 +287,8 @@ static void wtvfile_close(AVIOContext *pb)
 {
     WtvFile *wf = pb->opaque;
     av_free(wf->sectors);
+    av_freep(&pb->opaque);
+    av_freep(&pb->buffer);
     av_free(pb);
 }