diff --git a/libavcodec/smacker.c b/libavcodec/smacker.c
index 3b3d03e7e4..0d39027b0b 100644
--- a/libavcodec/smacker.c
+++ b/libavcodec/smacker.c
@@ -701,6 +701,7 @@ AVCodec smacker_decoder = {
     NULL,
     decode_end,
     decode_frame,
+    CODEC_CAP_DR1,
     .long_name = NULL_IF_CONFIG_SMALL("Smacker video"),
 };