diff --git a/interface/lib/classes/session.inc.php b/interface/lib/classes/session.inc.php
index 7ec2955d0be27b5c4e2bd995859f7b3383ac69d5..aff61aa94ec6e96b9ddc4295427a05c496b878de 100644
--- a/interface/lib/classes/session.inc.php
+++ b/interface/lib/classes/session.inc.php
@@ -56,7 +56,7 @@ class session {
 
         if (is_array($rec)) {
 			$this->session_array = $rec;
-			return $rec['session_data'];
+			return $this->session_array['session_data'];
 		} else {
 			return '';
 		}
@@ -68,6 +68,11 @@ class session {
             $this->session_array = array();
         }
 		
+		// Dont write session to DB if session data has not been changed after reading it.
+		if(isset($this->session_array['session_data']) && $this->session_array['session_data'] != '' && $this->session_array['session_data'] == $session_data) {
+			return true;
+		}
+		
 
         if ($this->session_array['session_id'] == '') {
 			$session_id   = $this->db->quote($session_id);