diff --git a/src/Fragments/GoogleTagManager.php b/src/Fragments/GoogleTagManager.php
index 35de3e0..c7b574a 100644
--- a/src/Fragments/GoogleTagManager.php
+++ b/src/Fragments/GoogleTagManager.php
@@ -45,6 +45,7 @@ public static function enableGTM(Policy $policy): void
             // however to provide a default backup for other digital marketing tools like Adobe tag manager
             // which can call gtag.js script without applying a nonce, whitelisting the GTM domain is required.
             ->addDirective(Directive::SCRIPT, 'https://www.googletagmanager.com')
+            ->addDirective(Directive::FRAME, 'https://www.googletagmanager.com')
             ->addDirective(Directive::IMG, 'https://www.googletagmanager.com');
     }