diff --git a/tests/phpstan/stubs.php b/tests/phpstan/stubs.php
index 690ab30d9..18c3891e8 100644
--- a/tests/phpstan/stubs.php
+++ b/tests/phpstan/stubs.php
@@ -1,5 +1,8 @@
 <?php declare(strict_types = 1);
 
+define( 'WP_CONTENT_DIR', 'wp-content' );
+define( 'WP_PLUGIN_DIR', 'plugins' );
+
 // QM constants:
 
 define( 'QM_COOKIE', '' );