diff --git a/src/xrow/eZCluster/CloudSDK.php b/src/xrow/eZCluster/CloudSDK.php
index 58dc700..376433c 100644
--- a/src/xrow/eZCluster/CloudSDK.php
+++ b/src/xrow/eZCluster/CloudSDK.php
@@ -10,6 +10,7 @@ class CloudSDK
 {
     const SITES_ROOT = '/var/www/sites';
     const USER = 'ec2-user';
+    const GROUP = 'apache';
     public static $ezcTemplateConfiguration;
     const CONFIG_FILE = '/etc/ezcluster/ezcluster.xml';
     const XML_NAMESPACE = 'http://www.xrow.com/schema/ezcluster';
diff --git a/src/xrow/eZCluster/ClusterNode.php b/src/xrow/eZCluster/ClusterNode.php
index 3128712..c1ec1a0 100755
--- a/src/xrow/eZCluster/ClusterNode.php
+++ b/src/xrow/eZCluster/ClusterNode.php
@@ -568,7 +568,7 @@ public function setupMounts()
 +auto.master\n");
         chmod("/etc/auto.master", 0755);
         chown("/etc/auto.master", CloudSDK::USER);
-        chgrp("/etc/auto.master", CloudSDK::USER);
+        chgrp("/etc/auto.master", CloudSDK::GROUP);
         $mounts = array();
         if (is_array($result)) {
             foreach ($result as $environment) {
diff --git a/src/xrow/eZCluster/ClusterTools.php b/src/xrow/eZCluster/ClusterTools.php
index e0d0722..cf6476f 100644
--- a/src/xrow/eZCluster/ClusterTools.php
+++ b/src/xrow/eZCluster/ClusterTools.php
@@ -351,7 +351,7 @@ static public function isDateTimeinRange( $range, DateTime $dt = null )
         return false;
     }
 
-    static public function mkdir( $dir, $user = false, $permissions = 0775 )
+    static public function mkdir( $dir, $user = false, $permissions = 0775, $group = CloudSDK::GROUP )
     {
         if ( is_dir( $dir ) )
         {
@@ -362,7 +362,7 @@ static public function mkdir( $dir, $user = false, $permissions = 0775 )
         if ( $user !== false )
         {
             chown( $dir, $user );
-            chgrp( $dir, $user );
+            chgrp( $dir, $group );
         }
         umask($old);
     }
diff --git a/src/xrow/eZCluster/Resources/environment.php b/src/xrow/eZCluster/Resources/environment.php
index bc7c673..b8c5e17 100644
--- a/src/xrow/eZCluster/Resources/environment.php
+++ b/src/xrow/eZCluster/Resources/environment.php
@@ -226,7 +226,7 @@ public function getVHost()
         if (! file_exists($dir)) {
             mkdir($dir, 0777, true);
             chown($dir, CloudSDK::USER);
-            chgrp($dir, CloudSDK::USER);
+            chgrp($dir, CloudSDK::GROUP);
         }
         $vhost->name = $this->name;
         $vhost->hosts = array();
@@ -324,7 +324,7 @@ public function setup()
         $script = (string) $this->environment["script"];
         chmod($this->dirtmp, 0777);
         chown($this->dirtmp, CloudSDK::USER);
-        chgrp($this->dirtmp, CloudSDK::USER);
+        chgrp($this->dirtmp, CloudSDK::GROUP);
 
         //checkout & execute
         if (! empty($this->parameters["SCM"]) and empty($script) and empty( $bootstrap_script )) {
@@ -385,7 +385,7 @@ public function setup()
         }
         chmod($this->dirtmp, 0777);
         chown($this->dirtmp, CloudSDK::USER);
-        chgrp($this->dirtmp, CloudSDK::USER);
+        chgrp($this->dirtmp, CloudSDK::GROUP);
         ClusterTools::mkdir($this->docroottmp, CloudSDK::USER, 0777);
         try {
             $fs->rename( $this->dir, $this->dir. ".new" );