diff --git a/DependencyInjection/GregwarCaptchaExtension.php b/DependencyInjection/GregwarCaptchaExtension.php
index 75b7246..83f4ddb 100755
--- a/DependencyInjection/GregwarCaptchaExtension.php
+++ b/DependencyInjection/GregwarCaptchaExtension.php
@@ -33,10 +33,6 @@ class GregwarCaptchaExtension extends Extension
         $container->setParameter('gregwar_captcha.config.expiration', $config['expiration']);
         $container->setParameter('gregwar_captcha.config.whitelist_key', $config['whitelist_key']);
 
-        if ($config['reload'] && !$config['as_url']) {
-            throw new \InvalidArgumentException('GregwarCaptcha: The reload option cannot be set without as_url, see the README for more information');
-        }
-
         $resources = $container->getParameter('twig.form.resources');
         $container->setParameter('twig.form.resources', array_merge(array('GregwarCaptchaBundle::captcha.html.twig'), $resources));
     }
diff --git a/Type/CaptchaType.php b/Type/CaptchaType.php
index 2a90ed7..2b10374 100644
--- a/Type/CaptchaType.php
+++ b/Type/CaptchaType.php
@@ -90,6 +90,10 @@ class CaptchaType extends AbstractType
     {
         $isHuman = false;
 
+        if ($options['reload'] && !$options['as_url']) {
+            throw new \InvalidArgumentException('GregwarCaptcha: The reload option cannot be set without as_url, see the README for more information');
+        }
+
         if ($options['humanity'] > 0) {
             $humanityKey = $this->key.'_humanity';
             if ($this->session->get($humanityKey, 0) > 0) {