diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 3d1abc71a5..46cfdb0973 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -5812,6 +5812,7 @@ AVCodec ff_vc1_decoder = {
     .init           = vc1_decode_init,
     .close          = vc1_decode_end,
     .decode         = vc1_decode_frame,
+    .flush          = ff_mpeg_flush,
     .capabilities   = CODEC_CAP_DR1 | CODEC_CAP_DELAY,
     .long_name      = NULL_IF_CONFIG_SMALL("SMPTE VC-1"),
     .pix_fmts       = ff_hwaccel_pixfmt_list_420,
@@ -5827,6 +5828,7 @@ AVCodec ff_wmv3_decoder = {
     .init           = vc1_decode_init,
     .close          = vc1_decode_end,
     .decode         = vc1_decode_frame,
+    .flush          = ff_mpeg_flush,
     .capabilities   = CODEC_CAP_DR1 | CODEC_CAP_DELAY,
     .long_name      = NULL_IF_CONFIG_SMALL("Windows Media Video 9"),
     .pix_fmts       = ff_hwaccel_pixfmt_list_420,