diff --git a/scripts/script.db b/scripts/script.db
index c4923237e..04aeb4239 100644
--- a/scripts/script.db
+++ b/scripts/script.db
@@ -60,4 +60,4 @@ Entry { filename = "sslv2.nse", categories = { "default", "safe", } }
 Entry { filename = "telnet-brute.nse", categories = { "auth", "intrusive", } }
 Entry { filename = "upnp-info.nse", categories = { "default", "safe", } }
 Entry { filename = "whois.nse", categories = { "discovery", "external", "safe", } }
-Entry { filename = "x11-access.nse", categories = { "default", "safe", } }
+Entry { filename = "x11-access.nse", categories = { "auth", "default", "safe", } }
diff --git a/scripts/x11-access.nse b/scripts/x11-access.nse
index 730fca006..fbb135fc1 100644
--- a/scripts/x11-access.nse
+++ b/scripts/x11-access.nse
@@ -18,7 +18,7 @@ server access is granted".
 
 author = "vladz <vladz@devzero.fr>"
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
-categories = {"default", "safe"}
+categories = {"default", "safe", "auth"}
 
 portrule = function(host, port)
         return ((port.number >= 6000 and port.number <= 6009)