diff --git a/scripts/install b/scripts/install
index 0e46e8b..00422d0 100644
--- a/scripts/install
+++ b/scripts/install
@@ -110,9 +110,14 @@ CHECK_DOMAINPATH
 	sudo cp ../conf/data/domains/default.ini $rainloop_path/data/_data_/_default_/domains/default.ini
 
 # install SSO - at the moment the index is the SSO and rainloop is installed in /app
-	sudo cp ../sources/sso/sso.php        $final_path/index.php
-	sudo sed -i "s@domain.tld@$domain@g"  $final_path/index.php
-	sudo sed -i "s@PATHTOCHANGE@$path@g"  $final_path/index.php
+	sudo cp ../sources/sso/sso.php        			$final_path/index.php
+	sudo sed -i "s@domain.tld@$domain@g"  			$final_path/index.php
+	sudo sed -i "s@ALIASTOCHANGE@$final_path@g"  	$final_path/index.php
+	if [ $path = "/" ]; then
+	    sudo sed -i "s@ROOTTOCHANGE@@g"          	$final_path/index.php
+	else
+	    sudo sed -i "s@ROOTTOCHANGE@$path@g"     	$final_path/index.php
+	fi
 
 # Install PGPback by chtixof to allow users to backup/restore their PGP private keys on the server
 	sudo cp -rf ../sources/pgpback        	  $final_path/.
@@ -130,7 +135,7 @@ CHECK_DOMAINPATH
 	else
 	    sudo sed -i "s@ROOTTOCHANGE@$path@g"     $nginx_conf_file
 	fi
-        sudo sed -i "s@PATHTOCHANGE@$path@g"          $nginx_conf_file
+    sudo sed -i "s@PATHTOCHANGE@$path@g"         $nginx_conf_file
 	sudo sed -i "s@ALIASTOCHANGE@$final_path/@g" $nginx_conf_file
 	sudo sed -i "s@NAMETOCHANGE@$app@g"          $nginx_conf_file
 	sudo chown root:                             $nginx_conf_file
diff --git a/scripts/upgrade b/scripts/upgrade
index c1410eb..5334d83 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -63,9 +63,14 @@ CHECK_PATH
 	sudo cp -rf ../sources/plugins/ynh-ldap-suggestions $rainloop_path/data/_data_/_default_/plugins/.
 
 # update SSO
-	sudo cp ../sources/sso/sso.php        $final_path/index.php
-	sudo sed -i "s@domain.tld@$domain@g"  $final_path/index.php
-	sudo sed -i "s@PATHTOCHANGE@$path@g"  $final_path/index.php
+	sudo cp ../sources/sso/sso.php        			$final_path/index.php
+	sudo sed -i "s@domain.tld@$domain@g"  			$final_path/index.php
+	sudo sed -i "s@ALIASTOCHANGE@$final_path@g"  	$final_path/index.php
+	if [ $path = "/" ]; then
+	    sudo sed -i "s@ROOTTOCHANGE@@g"          	$final_path/index.php
+	else
+	    sudo sed -i "s@ROOTTOCHANGE@$path@g"     	$final_path/index.php
+	fi
 
 # Install PGPback by chtixof to allow users to backup/restore their PGP private keys on the server
 	sudo cp -rf ../sources/pgpback        	  $final_path/.
diff --git a/sources/sso/index.php b/sources/sso/index.php
deleted file mode 100644
index c88e331..0000000
--- a/sources/sso/index.php
+++ /dev/null
@@ -1,35 +0,0 @@
-<?php
-
-if (!defined('APP_VERSION')) {
-	$version = file_get_contents('data/VERSION');
-	if ($version) {
-		define('APP_VERSION', $version);
-		define('APP_INDEX_ROOT_FILE', __FILE__);
-		define('APP_INDEX_ROOT_PATH', str_replace('\\', '/', rtrim(dirname(__FILE__), '\\/').'/'));
-	}
-}
-
-if(isset($_GET["auto_log"])) {
-	$_ENV['RAINLOOP_INCLUDE_AS_API'] = true;
-}
-
-if (file_exists(APP_INDEX_ROOT_PATH.'rainloop/v/'.APP_VERSION.'/include.php')) {
-	include APP_INDEX_ROOT_PATH.'rainloop/v/'.APP_VERSION.'/include.php';
-} else {
-	echo '[105] Missing version directory';
-	exit(105);
-}
-
-if(isset($_GET["auto_log"])) {
-	if (isset($_SERVER['HTTP_EMAIL']) && isset($_SERVER['PHP_AUTH_PW'])) {
-		$email = $_SERVER['HTTP_EMAIL'];
-		$password = $_SERVER['PHP_AUTH_PW'];
-		$ssoHash = \RainLoop\Api::GetUserSsoHash($email, $password);
-
-		// redirect to webmail sso url
-		\header('Location: https://domain.tldPATHTOCHANGE/index.php?sso&hash='.$ssoHash);
-	}
-	exit();
-}
-
-?>
diff --git a/sources/sso/sso.php b/sources/sso/sso.php
index 0764943..98980ae 100644
--- a/sources/sso/sso.php
+++ b/sources/sso/sso.php
@@ -2,7 +2,7 @@
 
 // Enable RainLoop Api and include index file 
 $_ENV['RAINLOOP_INCLUDE_AS_API'] = true;
-include '/var/www/rainloop/app/index.php';
+include 'ALIASTOCHANGE/app/index.php';
 
 // Retrieve email and password
 if (isset($_SERVER['HTTP_EMAIL']) && isset($_SERVER['PHP_AUTH_PW'])) {
@@ -11,8 +11,8 @@ if (isset($_SERVER['HTTP_EMAIL']) && isset($_SERVER['PHP_AUTH_PW'])) {
 	$ssoHash = \RainLoop\Api::GetUserSsoHash($email, $password);
 
 	// redirect to webmail sso url
-	\header('Location: https://domain.tldPATHTOCHANGE/app/index.php?sso&hash='.$ssoHash);
+	\header('Location: https://domain.tldROOTTOCHANGE/app/index.php?sso&hash='.$ssoHash);
 }
 else {
-	\header('Location: https://domain.tldPATHTOCHANGE/app/index.php');
+	\header('Location: https://domain.tldROOTTOCHANGE/app/index.php');
 }