diff --git a/include/lassospkit_session_php.inc.php b/include/lassospkit_session_php.inc.php
index b1add58..a27c35e 100644
--- a/include/lassospkit_session_php.inc.php
+++ b/include/lassospkit_session_php.inc.php
@@ -2,20 +2,20 @@
 require_once('lassospkit_datadir.inc.php');
 require_once('lassospkit_debug.inc.php');
 
-$LassoSPKitSessionFile_key = "__LassoSPKitSessionObject";
+$LassoSPKitSessionPHP_key = "__LassoSPKitSessionObject";
 
 class LassoSPKitSessionPHP {
     function retrieve($session, $timeout) {
         global $LassoSPKitSessionPHP_key;
 
         $content = null;
-        if (! isset($_SESSION)) {
-            throw new Exception("LassoSPKit cannot work without PHP sessions if use_session is TRUE.");
-        }
-        if (isset($_SESSION[$LassoSPKitSessionFile_key])) {
-            $content = $_SESSION[$LassoSPKitSessionFile_key];
-            if (! isset($_SESSION[$LassoSPKitSessionFile_key . '_time']) ||
-                $_SESSION[$LassoSPKitSessionFile_key . '_time'] - time() > $timeout) {
+        #if (! isset($_SESSION)) {
+        #    throw new Exception("LassoSPKit cannot work without PHP sessions if use_session is TRUE.");
+        #}
+        if (isset($_SESSION[$LassoSPKitSessionPHP_key])) {
+            $content = $_SESSION[$LassoSPKitSessionPHP_key];
+            if (! isset($_SESSION[$LassoSPKitSessionPHP_key . '_time']) ||
+                $_SESSION[$LassoSPKitSessionPHP_key . '_time'] - time() > $timeout) {
                     $content = null;
                     self::delete($session);
                 }
@@ -24,11 +24,11 @@ class LassoSPKitSessionPHP {
     }
     function store($session, $content) {
         global $LassoSPKitSessionPHP_key;
-        $_SESSION[$LassoSPKitSessionFile_key] = $content;     
-        $_SESSION[$LassoSPKitSessionFile_key . '_time'] = time();     
+        $_SESSION[$LassoSPKitSessionPHP_key] = $content;
+        $_SESSION[$LassoSPKitSessionPHP_key . '_time'] = time();
     }
     function delete($session) {
-        unset($_SESSION[$LassoSPKitSessionFile_key]);     
-        unset($_SESSION[$LassoSPKitSessionFile_key . '_time']);
+        unset($_SESSION[$LassoSPKitSessionPHP_key]);
+        unset($_SESSION[$LassoSPKitSessionPHP_key . '_time']);
     }
 }