diff --git a/airtime_mvc/application/models/Auth.php b/airtime_mvc/application/models/Auth.php
index b474a04cf..52dda5154 100644
--- a/airtime_mvc/application/models/Auth.php
+++ b/airtime_mvc/application/models/Auth.php
@@ -120,8 +120,11 @@ class Application_Model_Auth
      */
     public static function pinSessionToClient($auth)
     {
+        $CC_CONFIG = Config::getConfig();
+
         $serverName = isset($_SERVER['SERVER_NAME']) ? $_SERVER['SERVER_NAME'] : "";
         $remoteAddr = isset($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : "";
-        $auth->setStorage(new Zend_Auth_Storage_Session('Airtime' . $serverName . $remoteAddr . Application_Model_Preference::GetClientId()));
+        $sessionIdentifier = 'Airtime' . '-' . $serverName .  '-' . $remoteAddr .  '-' . Application_Model_Preference::GetClientId() .  '-' . $CC_CONFIG["baseDir"];
+        $auth->setStorage(new Zend_Auth_Storage_Session($sessionIdentifier));
     }
 }
diff --git a/install_full/ubuntu/airtime-full-install b/install_full/ubuntu/airtime-full-install
index 2a2fa824c..5b0522f73 100755
--- a/install_full/ubuntu/airtime-full-install
+++ b/install_full/ubuntu/airtime-full-install
@@ -29,8 +29,10 @@ echo "----------------------------------------------------"
 
 dist=`lsb_release -is`
 code=`lsb_release -cs`
+set +e
 apache2 -v | grep "2\.4" > /dev/null
 apacheversion=$?
+set -e
 
 #enable squeeze backports to get lame packages
 if [ "$dist" = "Debian" -a "$code" = "squeeze" ]; then