diff --git a/data/web/autoconfig.php b/data/web/autoconfig.php
index c905c325..58d6fec1 100644
--- a/data/web/autoconfig.php
+++ b/data/web/autoconfig.php
@@ -4,7 +4,7 @@ $default_autodiscover_config = $autodiscover_config;
 if(file_exists('inc/vars.local.inc.php')) {
   include_once 'inc/vars.local.inc.php';
 }
-$configuration = array_merge($default_autodiscover_config, $autodiscover_config);
+$autodiscover_config = array_merge($default_autodiscover_config, $autodiscover_config);
 
 error_reporting(0);
 
@@ -33,15 +33,15 @@ header('Content-Type: application/xml');
       <displayShortName>mail server</displayShortName>
 
       <incomingServer type="imap">
-         <hostname><?=$configuration['imap']['server']; ?></hostname>
-         <port><?=$configuration['imap']['port']; ?></port>
+         <hostname><?=$autodiscover_config['imap']['server']; ?></hostname>
+         <port><?=$autodiscover_config['imap']['port']; ?></port>
          <socketType>SSL</socketType>
          <username>%EMAILADDRESS%</username>
          <authentication>password-cleartext</authentication>
       </incomingServer>
       <incomingServer type="imap">
-         <hostname><?=$configuration['imap']['server']; ?></hostname>
-         <port><?=$configuration['imap']['tlsport']; ?></port>
+         <hostname><?=$autodiscover_config['imap']['server']; ?></hostname>
+         <port><?=$autodiscover_config['imap']['tlsport']; ?></port>
          <socketType>STARTTLS</socketType>
          <username>%EMAILADDRESS%</username>
          <authentication>password-cleartext</authentication>
@@ -51,8 +51,8 @@ header('Content-Type: application/xml');
 $records = dns_get_record('_pop3s._tcp.' . $domain, DNS_SRV); // check if POP3 is announced as "not provided" via SRV record
 if (count($records) == 0 || $records[0]['target'] != '') { ?>
       <incomingServer type="pop3">
-         <hostname><?=$configuration['pop3']['server']; ?></hostname>
-         <port><?=$configuration['pop3']['port']; ?></port>
+         <hostname><?=$autodiscover_config['pop3']['server']; ?></hostname>
+         <port><?=$autodiscover_config['pop3']['port']; ?></port>
          <socketType>SSL</socketType>
          <username>%EMAILADDRESS%</username>
          <authentication>password-cleartext</authentication>
@@ -62,8 +62,8 @@ if (count($records) == 0 || $records[0]['target'] != '') { ?>
 $records = dns_get_record('_pop3._tcp.' . $domain, DNS_SRV); // check if POP3 is announced as "not provided" via SRV record
 if (count($records) == 0 || $records[0]['target'] != '') { ?>
       <incomingServer type="pop3">
-         <hostname><?=$configuration['pop3']['server']; ?></hostname>
-         <port><?=$configuration['pop3']['tlsport']; ?></port>
+         <hostname><?=$autodiscover_config['pop3']['server']; ?></hostname>
+         <port><?=$autodiscover_config['pop3']['tlsport']; ?></port>
          <socketType>STARTTLS</socketType>
          <username>%EMAILADDRESS%</username>
          <authentication>password-cleartext</authentication>
@@ -71,15 +71,15 @@ if (count($records) == 0 || $records[0]['target'] != '') { ?>
 <?php } ?>
 
       <outgoingServer type="smtp">
-         <hostname><?=$configuration['smtp']['server']; ?></hostname>
-         <port><?=$configuration['smtp']['port']; ?></port>
+         <hostname><?=$autodiscover_config['smtp']['server']; ?></hostname>
+         <port><?=$autodiscover_config['smtp']['port']; ?></port>
          <socketType>SSL</socketType>
          <username>%EMAILADDRESS%</username>
          <authentication>password-cleartext</authentication>
       </outgoingServer>
       <outgoingServer type="smtp">
-         <hostname><?=$configuration['smtp']['server']; ?></hostname>
-         <port><?=$configuration['smtp']['tlsport']; ?></port>
+         <hostname><?=$autodiscover_config['smtp']['server']; ?></hostname>
+         <port><?=$autodiscover_config['smtp']['tlsport']; ?></port>
          <socketType>STARTTLS</socketType>
          <username>%EMAILADDRESS%</username>
          <authentication>password-cleartext</authentication>
diff --git a/data/web/autodiscover.php b/data/web/autodiscover.php
index 975fd3e0..551cc6dc 100644
--- a/data/web/autodiscover.php
+++ b/data/web/autodiscover.php
@@ -5,7 +5,7 @@ $default_autodiscover_config = $autodiscover_config;
 if(file_exists('inc/vars.local.inc.php')) {
   include_once 'inc/vars.local.inc.php';
 }
-$configuration = array_merge($default_autodiscover_config, $autodiscover_config);
+$autodiscover_config = array_merge($default_autodiscover_config, $autodiscover_config);
 
 // Redis
 $redis = new Redis();
@@ -17,14 +17,14 @@ $data = trim(file_get_contents("php://input"));
 
 // Desktop client needs IMAP, unless it's Outlook 2013 or higher on Windows
 if (strpos($data, 'autodiscover/outlook/responseschema') !== false) { // desktop client
-  $configuration['autodiscoverType'] = 'imap';
-  if ($configuration['useEASforOutlook'] == 'yes' &&
+  $autodiscover_config['autodiscoverType'] = 'imap';
+  if ($autodiscover_config['useEASforOutlook'] == 'yes' &&
     // Office for macOS does not support EAS
     strpos($_SERVER['HTTP_USER_AGENT'], 'Mac') === false &&
     // Outlook 2013 (version 15) or higher
     preg_match('/(Outlook|Office).+1[5-9]\./', $_SERVER['HTTP_USER_AGENT'])
   ) {
-    $configuration['autodiscoverType'] = 'activesync';
+    $autodiscover_config['autodiscoverType'] = 'activesync';
   }
 }
 
@@ -88,7 +88,7 @@ else {
         $displayname = $email;
       }
 
-      if ($configuration['autodiscoverType'] == 'imap') {
+      if ($autodiscover_config['autodiscoverType'] == 'imap') {
 ?>
   <Response xmlns="http://schemas.microsoft.com/exchange/autodiscover/outlook/responseschema/2006a">
     <User>
@@ -99,8 +99,8 @@ else {
       <Action>settings</Action>
       <Protocol>
         <Type>IMAP</Type>
-        <Server><?=$configuration['imap']['server'];?></Server>
-        <Port><?=$configuration['imap']['port'];?></Port>
+        <Server><?=$autodiscover_config['imap']['server'];?></Server>
+        <Port><?=$autodiscover_config['imap']['port'];?></Port>
         <DomainRequired>off</DomainRequired>
         <LoginName><?=$email;?></LoginName>
         <SPA>off</SPA>
@@ -109,8 +109,8 @@ else {
       </Protocol>
       <Protocol>
         <Type>SMTP</Type>
-        <Server><?=$configuration['smtp']['server'];?></Server>
-        <Port><?=$configuration['smtp']['port'];?></Port>
+        <Server><?=$autodiscover_config['smtp']['server'];?></Server>
+        <Port><?=$autodiscover_config['smtp']['port'];?></Port>
         <DomainRequired>off</DomainRequired>
         <LoginName><?=$email;?></LoginName>
         <SPA>off</SPA>
@@ -121,13 +121,13 @@ else {
       </Protocol>
       <Protocol>
         <Type>CalDAV</Type>
-        <Server>https://<?=$configuration['caldav']['server'];?><?php if ($configuration['caldav']['port'] != 443) echo ':'.$configuration['caldav']['port']; ?>/SOGo/dav/<?=$email;?>/Calendar</Server>
+        <Server>https://<?=$autodiscover_config['caldav']['server'];?><?php if ($autodiscover_config['caldav']['port'] != 443) echo ':'.$autodiscover_config['caldav']['port']; ?>/SOGo/dav/<?=$email;?>/Calendar</Server>
         <DomainRequired>off</DomainRequired>
         <LoginName><?=$email;?></LoginName>
       </Protocol>
       <Protocol>
         <Type>CardDAV</Type>
-        <Server>https://<?=$configuration['carddav']['server'];?><?php if ($configuration['caldav']['port'] != 443) echo ':'.$configuration['carddav']['port']; ?>/SOGo/dav/<?=$email;?>/Contacts</Server>
+        <Server>https://<?=$autodiscover_config['carddav']['server'];?><?php if ($autodiscover_config['caldav']['port'] != 443) echo ':'.$autodiscover_config['carddav']['port']; ?>/SOGo/dav/<?=$email;?>/Contacts</Server>
         <DomainRequired>off</DomainRequired>
         <LoginName><?=$email;?></LoginName>
       </Protocol>
@@ -135,7 +135,7 @@ else {
   </Response>
 <?php
       }
-      else if ($configuration['autodiscoverType'] == 'activesync') {
+      else if ($autodiscover_config['autodiscoverType'] == 'activesync') {
 ?>
   <Response xmlns="http://schemas.microsoft.com/exchange/autodiscover/mobilesync/responseschema/2006">
     <Culture>en:en</Culture>
@@ -147,8 +147,8 @@ else {
       <Settings>
         <Server>
         <Type>MobileSync</Type>
-        <Url><?=$configuration['activesync']['url'];?></Url>
-        <Name><?=$configuration['activesync']['url'];?></Name>
+        <Url><?=$autodiscover_config['activesync']['url'];?></Url>
+        <Name><?=$autodiscover_config['activesync']['url'];?></Name>
         </Server>
       </Settings>
     </Action>
diff --git a/data/web/inc/prerequisites.inc.php b/data/web/inc/prerequisites.inc.php
index a394943e..0ba894f7 100644
--- a/data/web/inc/prerequisites.inc.php
+++ b/data/web/inc/prerequisites.inc.php
@@ -1,8 +1,10 @@
 <?php
-require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/vars.inc.php';
+require_once 'inc/vars.inc.php';
+$default_autodiscover_config = $autodiscover_config;
 if (file_exists($_SERVER['DOCUMENT_ROOT'] . '/inc/vars.local.inc.php')) {
   include_once $_SERVER['DOCUMENT_ROOT'] . '/inc/vars.local.inc.php';
 }
+$autodiscover_config = array_merge($default_autodiscover_config, $autodiscover_config);
 
 require_once $_SERVER['DOCUMENT_ROOT'] . '/inc/sessions.inc.php';
 
diff --git a/data/web/user.php b/data/web/user.php
index 9b035f6a..0d95790d 100644
--- a/data/web/user.php
+++ b/data/web/user.php
@@ -60,21 +60,18 @@ elseif (isset($_SESSION['mailcow_cc_role']) && $_SESSION['mailcow_cc_role'] == '
   / USER
   */
 
-	require_once("inc/header.inc.php");
-	$_SESSION['return_to'] = $_SERVER['REQUEST_URI'];
-	$username = $_SESSION['mailcow_cc_username'];
+  require_once("inc/header.inc.php");
+  $_SESSION['return_to'] = $_SERVER['REQUEST_URI'];
+  $username = $_SESSION['mailcow_cc_username'];
   $mailboxdata = mailbox('get', 'mailbox_details', $username);
-  
+
   $clientconfigstr = "host=" . urlencode($mailcow_hostname) . "&email=" . urlencode($username) . "&name=" . urlencode($mailboxdata['name']) . "&port=" . urlencode($autodiscover_config['caldav']['port']);
   if ($autodiscover_config['useEASforOutlook'] == 'yes')
-    $clientconfigstr .= "&outlookEAS=1";
-  if (file_exists('thunderbird-plugins/version.csv'))
-  {
+  $clientconfigstr .= "&outlookEAS=1";
+  if (file_exists('thunderbird-plugins/version.csv')) {
     $fh = fopen('thunderbird-plugins/version.csv', 'r');
-    if ($fh)
-    {
-      while (($row = fgetcsv($fh, 1000, ';')) !== FALSE)
-      {
+    if ($fh) {
+      while (($row = fgetcsv($fh, 1000, ';')) !== FALSE) {
         if ($row[0] == 'sogo-integrator@inverse.ca') {
           $clientconfigstr .= "&integrator=" . urlencode($row[1]);
         }
@@ -82,7 +79,7 @@ elseif (isset($_SESSION['mailcow_cc_role']) && $_SESSION['mailcow_cc_role'] == '
       fclose($fh);
     }
   }
-  
+
 ?>
 <div class="container">
 <h3><?=$lang['user']['user_settings'];?></h3>