diff --git a/typo3/sysext/core/Configuration/DefaultConfiguration.php b/typo3/sysext/core/Configuration/DefaultConfiguration.php
index 114c4bbff3cf5d136a3045839edb8439d4901da5..f4367a7e688ce796d7f09650051716ee5890c8a3 100644
--- a/typo3/sysext/core/Configuration/DefaultConfiguration.php
+++ b/typo3/sysext/core/Configuration/DefaultConfiguration.php
@@ -1412,6 +1412,7 @@ return [
                 '_gl',
                 // Google ads
                 'gad',
+                'gad_source',
                 'gclid',
                 'dclid',
                 // Facebook