diff --git a/application/Core/Application.php b/application/Core/Application.php
index f6976ed..b5235bb 100644
--- a/application/Core/Application.php
+++ b/application/Core/Application.php
@@ -37,8 +37,9 @@ public function __construct()
             $this->url_controller = new $controller();
 
             // check for method: does such a method exist in the controller ?
-            if (method_exists($this->url_controller, $this->url_action)) {
-
+            if (method_exists($this->url_controller, $this->url_action) &&
+                is_callable(array($this->url_controller, $this->url_action))) {
+                
                 if (!empty($this->url_params)) {
                     // Call the method and pass arguments to it
                     call_user_func_array(array($this->url_controller, $this->url_action), $this->url_params);