diff --git a/src/Plugin/facets/url_processor/QueryString.php b/src/Plugin/facets/url_processor/QueryString.php
index ce36f54..34d5baf 100644
--- a/src/Plugin/facets/url_processor/QueryString.php
+++ b/src/Plugin/facets/url_processor/QueryString.php
@@ -92,6 +92,7 @@ class QueryString extends UrlProcessorPluginBase {
       }
       $url = Url::createFromRequest($request);
       $url->setOption('query', $result_get_params->all());
+      $url->setOption('attributes', ['rel' => 'nofollow']);
 
       $result->setUrl($url);
     }