diff --git a/curl-ua b/curl-ua
index aab6698..be2ad30 100755
--- a/curl-ua
+++ b/curl-ua
@@ -3,6 +3,7 @@ declare -A uas
 uas["archivebot"]='ArchiveTeam ArchiveBot/20190427.01 (wpull 2.0.3) and not Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.90 Safari/537.36'
 uas["firefox"]='Mozilla/5.0 (Windows NT 6.1; rv:60.0) Gecko/20100101 Firefox/60.0'
 uas["googlebot"]='Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)'
+uas["ie6"]='Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)'
 
 if [[ $# -eq 0 || "$1" == '-h' || "$1" == '--help' || -z "${uas[$1]+exists}" ]]
 then