diff --git a/index.php b/index.php
index 726a8a2..d44b4e3 100644
--- a/index.php
+++ b/index.php
@@ -1,6 +1,6 @@
 <?php
 
-require_once 'lib/autoloader.php';
+require_once __DIR__ . '/lib/autoloader.php';
 
 use \TclUpdates\XmlParser;
 
diff --git a/lib/TclUpdates/XmlParser.php b/lib/TclUpdates/XmlParser.php
old mode 100755
new mode 100644
diff --git a/lib/autoloader.php b/lib/autoloader.php
old mode 100755
new mode 100644
index 1cc2a51..fd8224f
--- a/lib/autoloader.php
+++ b/lib/autoloader.php
@@ -2,5 +2,10 @@
 
 set_include_path(__DIR__ . PATH_SEPARATOR . get_include_path());
 
-// PSR-4
-spl_autoload_register();
+function simpleAutoloader($class)
+{
+    require_once __DIR__ . DIRECTORY_SEPARATOR . str_replace('\\', DIRECTORY_SEPARATOR, $class) . '.php';
+}
+
+// PHP 7.0's default autoloader seems to have problems with PSR-4
+spl_autoload_register('simpleAutoloader');