diff --git a/src/Illuminate/Support/ClassLoader.php b/src/Illuminate/Support/ClassLoader.php
index <HASH>..<HASH> 100644
--- a/src/Illuminate/Support/ClassLoader.php
+++ b/src/Illuminate/Support/ClassLoader.php
@@ -28,7 +28,7 @@ class ClassLoader {
 

 		foreach (static::$directories as $directory)

 		{

-			if (file_exists($path = $directory.'/'.$class))

+			if (file_exists($path = $directory.DIRECTORY_SEPARATOR.$class))

 			{

 				require_once $path;
Using the directory separator consistently through the autoloader.