diff --git a/src/Bridges/HttpDI/HttpExtension.php b/src/Bridges/HttpDI/HttpExtension.php
index 1573ba23..7f0874ed 100644
--- a/src/Bridges/HttpDI/HttpExtension.php
+++ b/src/Bridges/HttpDI/HttpExtension.php
@@ -40,7 +40,7 @@ public function getConfigSchema(): Nette\Schema\Schema
 			'csp' => Expect::arrayOf('array|scalar|null'), // Content-Security-Policy
 			'cspReportOnly' => Expect::arrayOf('array|scalar|null'), // Content-Security-Policy-Report-Only
 			'featurePolicy' => Expect::arrayOf('array|scalar|null'), // Feature-Policy
-			'cookieSecure' => Expect::anyOf(null, true, false, 'auto'), // true|false|auto  Whether the cookie is available only through HTTPS
+			'cookieSecure' => Expect::anyOf(null, true, false, 'auto')->default('auto'), // true|false|auto  Whether the cookie is available only through HTTPS
 		]);
 	}