uschar errbuf[128];
pcre2_get_error_message(err, errbuf, sizeof(errbuf));
addr->message = string_sprintf("appendfile: regular expression "
- "error: %s at offset %l while compiling %s", errbuf, (long)offset,
+ "error: %s at offset %ld while compiling %s", errbuf, (long)offset,
maildirfolder_create_regex);
return FALSE;
}