diff --git a/lib/sites b/lib/sites
index bc16bfa..b27d1e6 100644
--- a/lib/sites
+++ b/lib/sites
@@ -90,8 +90,7 @@ dbword_check() {
 
 
 wpinstall() {
-	local dom=${domain//./_}
-	local dom=${dom//-/_}
+	local dom=$(echo $domain | sed "s/[^0-9A-Za-z]/_/g")
 	[[ $domain == "-mysql" ]] && dom="Webinoly_$(pwgen -s -1)"
 	local ROOT_PASS=$( echo $(conf_read mysql-root) | openssl enc -d -a -salt )
 	local AUTOGENPASS_WPDB=`pwgen -s -1`
diff --git a/webinoly.tar b/webinoly.tar
deleted file mode 100644
index c5a043f..0000000
Binary files a/webinoly.tar and /dev/null differ