diff --git a/scripts/http-slowloris-check.nse b/scripts/http-slowloris-check.nse
index 2dd358936..d8d57005b 100644
--- a/scripts/http-slowloris-check.nse
+++ b/scripts/http-slowloris-check.nse
@@ -53,7 +53,7 @@ Idea from Qualys blogpost:
 
 author = "Aleksandar Nikolic"
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
-categories = {"vuln", "intrusive"}
+categories = {"vuln", "safe"}
 
 
 portrule = shortport.http
diff --git a/scripts/script.db b/scripts/script.db
index e89ef8776..75e87cacd 100644
--- a/scripts/script.db
+++ b/scripts/script.db
@@ -182,7 +182,7 @@ Entry { filename = "http-robots.txt.nse", categories = { "default", "discovery",
 Entry { filename = "http-robtex-reverse-ip.nse", categories = { "discovery", "external", "safe", } }
 Entry { filename = "http-robtex-shared-ns.nse", categories = { "discovery", "external", "safe", } }
 Entry { filename = "http-sitemap-generator.nse", categories = { "discovery", "intrusive", } }
-Entry { filename = "http-slowloris-check.nse", categories = { "intrusive", "vuln", } }
+Entry { filename = "http-slowloris-check.nse", categories = { "safe", "vuln", } }
 Entry { filename = "http-slowloris.nse", categories = { "dos", "intrusive", } }
 Entry { filename = "http-sql-injection.nse", categories = { "intrusive", "vuln", } }
 Entry { filename = "http-title.nse", categories = { "default", "discovery", "safe", } }