diff --git a/libavcodec/h264.c b/libavcodec/h264.c
index 23f775414f..35473dff62 100644
--- a/libavcodec/h264.c
+++ b/libavcodec/h264.c
@@ -1107,11 +1107,7 @@ static void flush_dpb(AVCodecContext *avctx)
     H264Context *h = avctx->priv_data;
     int i;
 
-    for (i = 0; i <= MAX_DELAYED_PIC_COUNT; i++) {
-        if (h->delayed_pic[i])
-            h->delayed_pic[i]->reference = 0;
-        h->delayed_pic[i] = NULL;
-    }
+    memset(h->delayed_pic, 0, sizeof(h->delayed_pic));
 
     ff_h264_flush_change(h);