diff --git a/classmap.php b/classmap.php
index 543efb9..717d80d 100644
--- a/classmap.php
+++ b/classmap.php
@@ -13,6 +13,16 @@
  */
 
 /**
+ * Autoload register
+ */
+spl_autoload_register(function ($class) {
+    if (0 === strpos($class, 'Leafo\\ScssPhp\\')) {
+        $src = str_replace('\\', '/', $class) . '.php';
+        @include_once $src;
+    }
+});
+
+/**
  * @deprecated since 0.1.0
  */
 class scssc extends \Leafo\ScssPhp\Compiler