diff --git a/libavcodec/utvideoenc.c b/libavcodec/utvideoenc.c
index 29b29bc658..4ceac26c5d 100644
--- a/libavcodec/utvideoenc.c
+++ b/libavcodec/utvideoenc.c
@@ -664,4 +664,5 @@ const AVCodec ff_utvideo_encoder = {
                           AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP, AV_PIX_FMT_YUV422P,
                           AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV444P, AV_PIX_FMT_NONE
                       },
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
 };