fix --threads commandline

diff --git a/libarchive/archive_write_add_filter_zstd.c b/libarchive/archive_write_add_filter_zstd.c
index 116e9fab7af674dcb38985447395a72e750d89e3..41e4c520e13612a7f67fd05f10c2d46e70766f52 100644 (file)
--- a/libarchive/archive_write_add_filter_zstd.c
+++ b/libarchive/archive_write_add_filter_zstd.c
@@ -387,7 +387,7 @@ archive_compressor_zstd_open(struct archive_write_filter *f)
        if (data->threads != 0) {
                struct archive_string as2;
                archive_string_init(&as2);
-               archive_string_sprintf(&as, " --threads=%d", data->threads);
+               archive_string_sprintf(&as2, " --threads=%d", data->threads);
                archive_string_concat(&as, &as2);
                archive_string_free(&as2);
        }