diff --git a/interface/lib/app.inc.php b/interface/lib/app.inc.php
index 631bd430dafb6cb4a67d2e10d11c383ee4208493..d609835f546a43d2ecc91ae678b7e43c17331435 100755
--- a/interface/lib/app.inc.php
+++ b/interface/lib/app.inc.php
@@ -86,6 +86,8 @@ class app {
 	}
 
 	public function initialize_session() {
+		global $conf;
+
 		//* Start the session
 		if($this->_conf['start_session'] == true) {
 			session_name('ISPCSESS');