diff --git a/libavcodec/v210x.c b/libavcodec/v210x.c
index da9e2e3649..88143d16d1 100644
--- a/libavcodec/v210x.c
+++ b/libavcodec/v210x.c
@@ -128,4 +128,5 @@ const AVCodec ff_v210x_decoder = {
     .init           = decode_init,
     .decode         = decode_frame,
     .capabilities   = AV_CODEC_CAP_DR1,
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
 };