diff --git a/libavcodec/cavsdec.c b/libavcodec/cavsdec.c
index 54e1877bbd..da9aa94deb 100644
--- a/libavcodec/cavsdec.c
+++ b/libavcodec/cavsdec.c
@@ -1319,5 +1319,5 @@ const AVCodec ff_cavs_decoder = {
     .decode         = cavs_decode_frame,
     .capabilities   = AV_CODEC_CAP_DR1 | AV_CODEC_CAP_DELAY,
     .flush          = cavs_flush,
-    .caps_internal  = FF_CODEC_CAP_INIT_CLEANUP,
+    .caps_internal  = FF_CODEC_CAP_INIT_THREADSAFE | FF_CODEC_CAP_INIT_CLEANUP,
 };