diff --git a/libavcodec/v210dec.c b/libavcodec/v210dec.c
index 868822e298..fe63518c3c 100644
--- a/libavcodec/v210dec.c
+++ b/libavcodec/v210dec.c
@@ -226,4 +226,5 @@ const AVCodec ff_v210_decoder = {
                       AV_CODEC_CAP_SLICE_THREADS |
                       AV_CODEC_CAP_FRAME_THREADS,
     .priv_class     = &v210dec_class,
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
 };