diff --git a/libavcodec/decode.c b/libavcodec/decode.c
index 2dab7f2a71..d10a2c8b58 100644
--- a/libavcodec/decode.c
+++ b/libavcodec/decode.c
@@ -221,6 +221,10 @@ int ff_decode_bsfs_init(AVCodecContext *avctx)
             goto fail;
     }
 
+    ret = avcodec_parameters_to_context(avctx, s->bsfs[s->nb_bsfs - 1]->par_out);
+    if (ret < 0)
+        return ret;
+
     return 0;
 fail:
     ff_decode_bsfs_uninit(avctx);