diff --git a/lib/config/activator.php b/lib/config/activator.php
index 37798bc6d1..7f0f75fb3e 100644
--- a/lib/config/activator.php
+++ b/lib/config/activator.php
@@ -9,6 +9,10 @@ class Activator {
   }
 
   function init() {
+    $this->migrator = new Migrator;
+  }
+
+  function register_activation() {
     register_activation_hook(
       Env::$file,
       array($this, 'activate')
@@ -16,7 +20,6 @@ class Activator {
   }
 
   public function activate() {
-    $migrator = new Migrator;
-    $migrator->up();
+    $this->migrator->up();
   }
 }