diff --git a/recaptcha.admin.inc b/recaptcha.admin.inc
index 694cd1f..60fb9a9 100644
--- a/recaptcha.admin.inc
+++ b/recaptcha.admin.inc
@@ -41,6 +41,12 @@ function recaptcha_admin_settings() {
     '#default_value' => variable_get('recaptcha_ajax_api', FALSE),
     '#description' => t('Use the AJAX API to display reCAPTCHA.'),
   );
+  $form['recaptcha_nocookies'] = array(
+    '#type' => 'checkbox',
+    '#title' => t('Disable Client-Side Cookies'),
+    '#default_value' => variable_get('recaptcha_nocookies', FALSE),
+    '#description' => t('Add flag to disable third-party cookies set by reCAPTCHA.'),
+  );
   $form['recaptcha_theme_settings'] = array(
     '#type' => 'fieldset',
     '#title' => t('Theme Settings'),
diff --git a/recaptcha.module b/recaptcha.module
index 49250b6..e35152e 100644
--- a/recaptcha.module
+++ b/recaptcha.module
@@ -84,6 +84,7 @@ function recaptcha_captcha() {
         $recaptcha_theme = variable_get('recaptcha_theme', 'red');
         $recaptcha_tabindex = variable_get('recaptcha_tabindex', NULL);
         $recaptcha_public_key = variable_get('recaptcha_public_key', '');
+	$recaptcha_nocookies = variable_get('recaptcha_nocookies',FALSE);
         $recaptcha_form_value = NULL;
         $recaptcha_ajax_api = variable_get('recaptcha_ajax_api', FALSE);
 
@@ -129,6 +130,13 @@ function recaptcha_captcha() {
         // Create the form. Captcha requires TRUE to be returned in solution.
         $captcha['solution'] = TRUE;
         $captcha['captcha_validate'] = 'recaptcha_captcha_validation';
+
+	// If 'Disable Client-Side Cookies' is set, then add query string to end of the public key string before passing to recaptchalib
+		
+	if ($recaptcha_nocookies) {
+		$recaptcha_public_key .= "&nocookie=1";
+	}
+
         $html = recaptcha_get_html($recaptcha_public_key, NULL, $recaptcha_secure_connection);
         $captcha['form']['captcha_response'] = array(
           '#type' => 'hidden',