diff --git a/http/nginx/server.tpl.php b/http/nginx/server.tpl.php
index 4a921632697928f03b14d7bd3fde2330f580d4f4..108e4064dc4eb8422bfd32762cde2153abf524b9 100644
--- a/http/nginx/server.tpl.php
+++ b/http/nginx/server.tpl.php
@@ -159,7 +159,7 @@ map $request_uri $key_uri {
 ###
 map $http_user_agent $is_crawler {
   default                                                                                                                     '';
-  ~*HTTrack|MJ12|HTMLParser|libwww|PECL|Automatic|Click|SiteBot|BuzzTrack|Sistrix|Offline|Screaming|Nutch|Mireo|SWEB|Morfeus  is_crawler;
+  ~*HTTrack|MJ12|HTMLParser|libwww|PECL|Automatic|Click|SiteBot|BuzzTrack|Sistrix|Offline|Screaming|Nutch|Mireo|SWEB|Morfeus|GSLFbot  is_crawler;
 }
 
 ###