diff --git a/libavcodec/h264_metadata_bsf.c b/libavcodec/h264_metadata_bsf.c
index 1afa5014b37efb4941c0629ea4d85e41563b130d..ac0b9823b919b156a2c4c65e10a6aff88a28cb3b 100644
--- a/libavcodec/h264_metadata_bsf.c
+++ b/libavcodec/h264_metadata_bsf.c
@@ -368,7 +368,7 @@ static int h264_metadata_filter(AVBSFContext *bsf, AVPacket *out)
                    "must be \"UUID+string\".\n");
             err = AVERROR(EINVAL);
         sei_fail:
-            memset(payload, 0, sizeof(&payload));
+            memset(payload, 0, sizeof(*payload));
             goto fail;
         }