diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index c87558bc50..1474e9fedd 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -3831,6 +3831,7 @@ AVCodec ff_vc1_decoder = {
     vc1_decode_frame,
     CODEC_CAP_DR1 | CODEC_CAP_DELAY,
     NULL,
+    .flush          = ff_mpeg_flush,
     .long_name = NULL_IF_CONFIG_SMALL("SMPTE VC-1"),
     .pix_fmts = ff_hwaccel_pixfmt_list_420,
     .profiles = NULL_IF_CONFIG_SMALL(profiles)
@@ -3848,6 +3849,7 @@ AVCodec ff_wmv3_decoder = {
     vc1_decode_frame,
     CODEC_CAP_DR1 | CODEC_CAP_DELAY,
     NULL,
+    .flush          = ff_mpeg_flush,
     .long_name = NULL_IF_CONFIG_SMALL("Windows Media Video 9"),
     .pix_fmts = ff_hwaccel_pixfmt_list_420,
     .profiles = NULL_IF_CONFIG_SMALL(profiles)