diff --git a/app/config/errors.php b/app/config/errors.php
index 0aed627dda..e6c9830a30 100644
--- a/app/config/errors.php
+++ b/app/config/errors.php
@@ -549,7 +549,7 @@ return [
     Exception::FUNCTION_EXECUTE_PERMISSION_DENIED => [
         'name' => Exception::FUNCTION_EXECUTE_PERMISSION_DENIED,
         'description' => 'To execute function using domain, execute permissions must include "any" or "guests".',
-        'code' => 403,
+        'code' => 401,
     ],
 
     /** Sites */
diff --git a/tests/e2e/Services/Sites/SitesCustomServerTest.php b/tests/e2e/Services/Sites/SitesCustomServerTest.php
index 1f0b0b7be6..a67af33392 100644
--- a/tests/e2e/Services/Sites/SitesCustomServerTest.php
+++ b/tests/e2e/Services/Sites/SitesCustomServerTest.php
@@ -1654,7 +1654,7 @@ class SitesCustomServerTest extends Scope
 
         $response = $proxyClient->call(Client::METHOD_GET, '/');
 
-        $this->assertEquals(401, $response['headers']['status-code']);
+        $this->assertEquals(404, $response['headers']['status-code']);
         $this->assertStringContainsString("This domain is not connected to any Appwrite resource yet", $response['body']);
 
         $site = $this->createSite([