diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 6b2662e8f4bbf8782975827efff6c853c305d509..986e4adc5e1f1eccce6bea602b606af4e460c823 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -5686,6 +5686,7 @@ AVCodec ff_vc1_decoder = {
     .init           = vc1_decode_init,
     .close          = ff_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,
@@ -5701,6 +5702,7 @@ AVCodec ff_wmv3_decoder = {
     .init           = vc1_decode_init,
     .close          = ff_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,