--- Mvc.php-orig	2010-01-15 08:06:10.000000000 -0500
+++ Mvc.php	2010-01-15 09:14:37.000000000 -0500
@@ -131,6 +131,14 @@
         if (!$this->_active) {
             $front = Zend_Controller_Front::getInstance();
             $reqParams = $front->getRequest()->getParams();
+            $routeParams = array();
+
+            if ($front->getRouter()->hasRoute($this->getRoute())) {
+                // To avoid false-negatives we will build the $myParams using the route's defaults
+                // instead of the controller's defaults if the module, controller, and/or
+                // action is not already provided in the navigation configuration.
+                $routeParams = $front->getRouter()->getRoute($this->getRoute())->getDefaults();
+            }
 
             if (!array_key_exists('module', $reqParams)) {
                 $reqParams['module'] = $front->getDefaultModule();
@@ -140,18 +148,24 @@
 
             if (null !== $this->_module) {
                 $myParams['module'] = $this->_module;
+            } elseif (isset($routeParams['module'])) {
+                $myParams['module'] = $routeParams['module'];
             } else {
                 $myParams['module'] = $front->getDefaultModule();
             }
 
             if (null !== $this->_controller) {
                 $myParams['controller'] = $this->_controller;
+            } elseif (isset($routeParams['controller'])) {
+                $myParams['controller'] = $routeParams['controller'];
             } else {
                 $myParams['controller'] = $front->getDefaultControllerName();
             }
 
             if (null !== $this->_action) {
                 $myParams['action'] = $this->_action;
+            } elseif (isset($routeParams['action'])) {
+                $myParams['action'] = $routeParams['action'];
             } else {
                 $myParams['action'] = $front->getDefaultAction();
             }