diff --git a/library/Zend/Controller/Dispatcher/Standard.php b/library/Zend/Controller/Dispatcher/Standard.php
index 492056e42a..73abb7194d 100644
--- a/library/Zend/Controller/Dispatcher/Standard.php
+++ b/library/Zend/Controller/Dispatcher/Standard.php
@@ -394,7 +394,7 @@ public function getControllerClass(Zend_Controller_Request_Abstract $request)
         $module = $request->getModuleName();
         if ($this->isValidModule($module)) {
             $this->_curModule    = $module;
-            $this->_curDirectory = $controllerDirs[$module];
+            $this->_curDirectory = $controllerDirs[strtolower($module)];
         } elseif ($this->isValidModule($this->_defaultModule)) {
             $request->setModuleName($this->_defaultModule);
             $this->_curModule    = $this->_defaultModule;