#3073: BC workarounds for sess_use_database, sess_expire_on_close
diff --git a/system/libraries/Session/Session.php b/system/libraries/Session/Session.php
index 518dc28..bdcde1e 100644
--- a/system/libraries/Session/Session.php
+++ b/system/libraries/Session/Session.php
@@ -70,6 +70,11 @@
 		{
 			$this->_driver = $driver;
 		}
+		// Note: BC workaround
+		elseif (config_item('sess_use_database'))
+		{
+			$this->_driver = 'database';
+		}
 
 		if (($class = $this->_ci_load_classes($this->_driver)) === FALSE)
 		{