Can we see the command? I've been using this one:
wget \ --recursive \ --mirror \ --timestamping \ --page-requisites \ --html-extension \ --convert-links \ --restrict-file-names=windows \ --no-parent \ $url
wget \ --recursive \ --mirror \ --timestamping \ --page-requisites \ --html-extension \ --convert-links \ --restrict-file-names=windows \ --no-parent \ $url