1 files changed, 2 insertions, 0 deletions
diff --git a/libavcodec/lclenc.c b/libavcodec/lclenc.c
index 864adc9850..bce1d537a2 100644
--- a/libavcodec/lclenc.c
+++ b/libavcodec/lclenc.c
@@ -199,4 +199,6 @@ AVCodec ff_zlib_encoder = {
     .close          = encode_end,
     .capabilities   = CODEC_CAP_FRAME_THREADS | CODEC_CAP_INTRA_ONLY,
     .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_BGR24, AV_PIX_FMT_NONE },
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE |
+                      FF_CODEC_CAP_INIT_CLEANUP,
 };