diff --git a/libavcodec/h264_redundant_pps_bsf.c b/libavcodec/h264_redundant_pps_bsf.c
index 80b8634c7b..907e95b9c8 100644
--- a/libavcodec/h264_redundant_pps_bsf.c
+++ b/libavcodec/h264_redundant_pps_bsf.c
@@ -97,6 +97,8 @@ static int h264_redundant_pps_filter(AVBSFContext *bsf, AVPacket *pkt)
                 err = ff_cbs_delete_unit(ctx->input, au, i);
                 if (err < 0)
                     goto fail;
+                i--;
+                continue;
             }
         }
         if (nal->type == H264_NAL_SLICE ||