diff --git a/config/application.php b/config/application.php
index b3bc75bc53..81b79d6792 100644
--- a/config/application.php
+++ b/config/application.php
@@ -103,7 +103,7 @@
 // Disable plugin and theme updates and installation from the admin
 Config::define('DISALLOW_FILE_MODS', true);
 // Limit the number of post revisions that Wordpress stores (true (default WP): store every revision)
-Config::define('WP_POST_REVISIONS', env('WP_POST_REVISIONS') ?: true);
+Config::define('WP_POST_REVISIONS', env('WP_POST_REVISIONS') ?? true);
 
 /**
  * Debugging Settings