diff --git a/config/bootstrap.php b/config/bootstrap.php
index 83405530ee..4d5827943e 100644
--- a/config/bootstrap.php
+++ b/config/bootstrap.php
@@ -46,6 +46,11 @@
 use Cake\Routing\Router;
 use Cake\Utility\Security;
 
+/**
+ * Load global functions.
+ */
+require CAKE . 'functions.php';
+
 /*
  * See https://github.com/josegonzalez/php-dotenv for API details.
  *