diff --git a/libavcodec/cavsdec.c b/libavcodec/cavsdec.c
index 1da4eb1922..e3201343be 100644
--- a/libavcodec/cavsdec.c
+++ b/libavcodec/cavsdec.c
@@ -656,6 +656,7 @@ static int cavs_decode_frame(AVCodecContext * avctx,void *data, int *data_size,
         if (!s->low_delay && h->DPB[0].f.data[0]) {
             *data_size = sizeof(AVPicture);
             *picture = h->DPB[0].f;
+            memset(&h->DPB[0], 0, sizeof(h->DPB[0]));
         }
         return 0;
     }