diff --git a/install/win/sbin/docspace-ssl-setup.ps1 b/install/win/sbin/docspace-ssl-setup.ps1
index 706dc23250..101a22120c 100644
--- a/install/win/sbin/docspace-ssl-setup.ps1
+++ b/install/win/sbin/docspace-ssl-setup.ps1
@@ -46,17 +46,18 @@ if ( $args.Count -ge 2 )
   }
 
   else {
-    $letsencrypt_mail = $args[0]
-    $letsencrypt_domain = $args[1]
+    $letsencrypt_mail = $args[0] -JOIN ","
+    $letsencrypt_domain = $args[1] -JOIN ","
+    $letsencrypt_main_domain = $letsencrypt_domain.Split(',')[0]
 
     [void](New-Item -ItemType "directory" -Path "${root_dir}\Logs" -Force)
 
     "certbot certonly --expand --webroot -w `"${root_dir}`" --key-type rsa --noninteractive --agree-tos --email ${letsencrypt_mail} -d ${letsencrypt_domain}" > "${app}\letsencrypt\Logs\le-start.log"
     cmd.exe /c "certbot certonly --expand --webroot -w `"${root_dir}`" --key-type rsa --noninteractive --agree-tos --email ${letsencrypt_mail} -d ${letsencrypt_domain}" > "${app}\letsencrypt\Logs\le-new.log"
 
-    pushd "${letsencrypt_root_dir}\${letsencrypt_domain}"
-        $ssl_cert = (Resolve-Path -Path (Get-Item "${letsencrypt_root_dir}\${letsencrypt_domain}\fullchain.pem").Target).ToString().Replace('\', '/')
-        $ssl_key = (Resolve-Path -Path (Get-Item "${letsencrypt_root_dir}\${letsencrypt_domain}\privkey.pem").Target).ToString().Replace('\', '/')
+    pushd "${letsencrypt_root_dir}\${letsencrypt_main_domain}"
+        $ssl_cert = (Resolve-Path -Path (Get-Item "${letsencrypt_root_dir}\${letsencrypt_main_domain}\fullchain.pem").Target).ToString().Replace('\', '/')
+        $ssl_key = (Resolve-Path -Path (Get-Item "${letsencrypt_root_dir}\${letsencrypt_main_domain}\privkey.pem").Target).ToString().Replace('\', '/')
     popd
   }
 
@@ -68,7 +69,7 @@ if ( $args.Count -ge 2 )
 
     if ($letsencrypt_domain)
     {
-        $acl = Get-Acl -Path "$env:SystemDrive\Certbot\archive\${letsencrypt_domain}"
+        $acl = Get-Acl -Path "$env:SystemDrive\Certbot\archive\${letsencrypt_main_domain}"
         $acl.SetSecurityDescriptorSddlForm('O:LAG:S-1-5-21-4011186057-2202358572-2315966083-513D:PAI(A;;0x1200a9;;;WD)(A;;FA;;;SY)(A;OI;0x1200a9;;;LS)(A;;FA;;;BA)(A;;FA;;;LA)')
         Set-Acl -Path $acl.path -ACLObject $acl
     }
@@ -107,6 +108,8 @@ else
   Write-Output "                  comma to register multiple emails, ex: "
   Write-Output "                  u1@example.com,u2@example.com. "
   Write-Output "      DOMAIN      Domain name to apply "
+  Write-Output "                  Use comma to register multiple domains, ex: "
+  Write-Output "                  example.com,s1.example.com,s2.example.com. "
   Write-Output " "
   Write-Output " Using your own certificates via the -f parameter: "
   Write-Output " usage: "