diff --git a/libavcodec/asvenc.c b/libavcodec/asvenc.c
index f7d1f7013d..e6f5a1a252 100644
--- a/libavcodec/asvenc.c
+++ b/libavcodec/asvenc.c
@@ -361,6 +361,8 @@ AVCodec ff_asv1_encoder = {
     .encode2        = encode_frame,
     .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
                                                      AV_PIX_FMT_NONE },
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE |
+                      FF_CODEC_CAP_INIT_CLEANUP,
 };
 #endif
 
@@ -375,5 +377,7 @@ AVCodec ff_asv2_encoder = {
     .encode2        = encode_frame,
     .pix_fmts       = (const enum AVPixelFormat[]) { AV_PIX_FMT_YUV420P,
                                                      AV_PIX_FMT_NONE },
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE |
+                      FF_CODEC_CAP_INIT_CLEANUP,
 };
 #endif