diff --git a/src/Http/RequestFactory.php b/src/Http/RequestFactory.php
index 6678d019..f4878618 100644
--- a/src/Http/RequestFactory.php
+++ b/src/Http/RequestFactory.php
@@ -89,9 +89,8 @@ public function createHttpRequest()
 		$url->setQuery(isset($tmp[1]) ? $tmp[1] : '');
 
 		// detect script path
-		$path = strtolower($path) . '/';
+		$path .= '/';
 		$script = isset($_SERVER['SCRIPT_NAME']) ? $_SERVER['SCRIPT_NAME'] . '/' : '/';
-		$script = strtolower($script);
 		$max = min(strlen($path), strlen($script));
 		for ($i = 0; $i < $max; $i++) {
 			if ($path[$i] !== $script[$i]) {
diff --git a/tests/Http/RequestFactory.scriptPath.phpt b/tests/Http/RequestFactory.scriptPath.phpt
index feccf6c8..b7dd82a0 100644
--- a/tests/Http/RequestFactory.scriptPath.phpt
+++ b/tests/Http/RequestFactory.scriptPath.phpt
@@ -26,7 +26,7 @@ test(function() use ($factory) {
 test(function() use ($factory) {
 	$_SERVER = array(
 		'REQUEST_URI' => '/projects/modules-usage/www/default/add-item',
-		'SCRIPT_NAME' => '/projects/Modules-Usage/www/index.php',
+		'SCRIPT_NAME' => '/projects/modules-usage/www/index.php',
 	);
 
 	Assert::same( '/projects/modules-usage/www/', $factory->createHttpRequest()->getUrl()->getScriptPath() );
@@ -93,3 +93,13 @@ test(function() use ($factory) {
 
 	Assert::same( '/configuration/', $factory->createHttpRequest()->getUrl()->getScriptPath() );
 });
+
+
+test(function() use ($factory) {
+	$_SERVER = array(
+		'REQUEST_URI' => '/blog/WWW/',
+		'SCRIPT_NAME' => '/blog/www/index.php',
+	);
+
+	Assert::same( '/blog/', $factory->createHttpRequest()->getUrl()->getScriptPath() );
+});