diff --git a/libavcodec/cfhdenc.c b/libavcodec/cfhdenc.c
index e0b1172ede..3445295796 100644
--- a/libavcodec/cfhdenc.c
+++ b/libavcodec/cfhdenc.c
@@ -862,5 +862,5 @@ const AVCodec ff_cfhd_encoder = {
                           AV_PIX_FMT_GBRAP12,
                           AV_PIX_FMT_NONE
                         },
-    .caps_internal    = FF_CODEC_CAP_INIT_CLEANUP,
+    .caps_internal    = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
 };