diff --git a/libavcodec/h264_slice.c b/libavcodec/h264_slice.c
index 53f745e5e0f5d031c94a290321fad36712772db8..dbff1f3f8b611ba403b4b7188be074b515fbcec1 100644
--- a/libavcodec/h264_slice.c
+++ b/libavcodec/h264_slice.c
@@ -1452,6 +1452,7 @@ static int h264_slice_header_parse(H264SliceContext *sl, const H2645NAL *nal,
             sl->delta_poc[1] = get_se_golomb(&sl->gb);
     }
 
+    sl->redundant_pic_count = 0;
     if (pps->redundant_pic_cnt_present)
         sl->redundant_pic_count = get_ue_golomb(&sl->gb);