diff --git a/system/codeigniter/CodeIgniter.php b/system/codeigniter/CodeIgniter.php
index 692d84a..27094d2 100644
--- a/system/codeigniter/CodeIgniter.php
+++ b/system/codeigniter/CodeIgniter.php
@@ -169,11 +169,10 @@
 $class  = $RTR->fetch_class();
 $method = $RTR->fetch_method();
 
-
 if ( ! class_exists($class)
 	OR $method == 'controller'
 	OR strncmp($method, '_', 1) == 0
-	OR in_array($method, get_class_methods('Controller'), TRUE)
+	OR in_array(strtolower($method), array_map('strtolower', get_class_methods('Controller')))
 	)
 {
 	show_404("{$class}/{$method}");