diff --git a/libavcodec/kgv1dec.c b/libavcodec/kgv1dec.c
index 427f57f416..f865771b72 100644
--- a/libavcodec/kgv1dec.c
+++ b/libavcodec/kgv1dec.c
@@ -187,4 +187,5 @@ const AVCodec ff_kgv1_decoder = {
     .decode         = decode_frame,
     .flush          = decode_flush,
     .capabilities   = AV_CODEC_CAP_DR1,
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE,
 };