Fix/improve #2211
diff --git a/system/libraries/Migration.php b/system/libraries/Migration.php
index fd915c3..b673e9c 100644
--- a/system/libraries/Migration.php
+++ b/system/libraries/Migration.php
@@ -104,8 +104,8 @@
*/
public function __construct($config = array())
{
- # Only run this constructor on main library load
- if (get_parent_class($this) !== FALSE)
+ // Only run this constructor on main library load
+ if ( ! in_array(get_class($this), array('CI_Migration', config_item('subclass_prefix').'Migration'), TRUE))
{
return;
}