diff --git a/libavformat/dump.c b/libavformat/dump.c
index e3f0056c20..cafcef36c6 100644
--- a/libavformat/dump.c
+++ b/libavformat/dump.c
@@ -145,10 +145,8 @@ static void dump_metadata(void *ctx, const AVDictionary *m, const char *indent)
                 av_log(ctx, AV_LOG_INFO,
                        "%s  %-16s: ", indent, tag->key);
                 while (*p) {
-                    char tmp[256];
                     size_t len = strcspn(p, "\x8\xa\xb\xc\xd");
-                    av_strlcpy(tmp, p, FFMIN(sizeof(tmp), len+1));
-                    av_log(ctx, AV_LOG_INFO, "%s", tmp);
+                    av_log(ctx, AV_LOG_INFO, "%.*s", (int)(FFMIN(255, len)), p);
                     p += len;
                     if (*p == 0xd) av_log(ctx, AV_LOG_INFO, " ");
                     if (*p == 0xa) av_log(ctx, AV_LOG_INFO, "\n%s  %-16s: ", indent, "");