diff --git a/_config.php b/_config.php
index e2cf530..8b68529 100644
--- a/_config.php
+++ b/_config.php
@@ -3,5 +3,5 @@
 // Ensure compatibility with PHP 7.2 ("object" is a reserved word),
 // with SilverStripe 3.6 (using Object) and SilverStripe 3.7 (using SS_Object)
 if (!class_exists('SS_Object')) {
-  class_alias('Object', 'SS_Object');
+    class_alias('Object', 'SS_Object');
 }