diff --git a/src/functions.php b/src/functions.php
index c9004d7ad..0d0f5ad8e 100644
--- a/src/functions.php
+++ b/src/functions.php
@@ -18,12 +18,12 @@
     define('OpenApi\Processors\UNDEFINED', UNDEFINED);
 }
 
-if (false === defined('T_NAME_QUALIFIED')) {
-    /*
-     * PHP8 only token.
-     */
-    define('T_NAME_QUALIFIED', -1);
-    define('T_NAME_FULLY_QUALIFIED', -1);
+// PHP 8.0
+if (!defined('T_NAME_QUALIFIED')) {
+    define('T_NAME_QUALIFIED', -4);
+}
+if (!defined('T_NAME_FULLY_QUALIFIED')) {
+    define('T_NAME_FULLY_QUALIFIED', -5);
 }
 
 if (function_exists('OpenApi\scan') === false) {