diff --git a/scripts/script.db b/scripts/script.db
index 37ea27990..cb70351ae 100644
--- a/scripts/script.db
+++ b/scripts/script.db
@@ -170,7 +170,7 @@ Entry { filename = "ssh2-enum-algos.nse", categories = { "discovery", "safe", }
 Entry { filename = "sshv1.nse", categories = { "default", "safe", } }
 Entry { filename = "ssl-cert.nse", categories = { "discovery", "safe", } }
 Entry { filename = "ssl-enum-ciphers.nse", categories = { "discovery", "intrusive", } }
-Entry { filename = "ssl-known-key.nse", categories = { "discovery", } }
+Entry { filename = "ssl-known-key.nse", categories = { "discovery", "safe", "vuln", } }
 Entry { filename = "sslv2.nse", categories = { "default", "safe", } }
 Entry { filename = "stuxnet-detect.nse", categories = { "discovery", "intrusive", } }
 Entry { filename = "svn-brute.nse", categories = { "auth", "intrusive", } }
diff --git a/scripts/ssl-known-key.nse b/scripts/ssl-known-key.nse
index e2ff02879..f83c86fbc 100644
--- a/scripts/ssl-known-key.nse
+++ b/scripts/ssl-known-key.nse
@@ -24,7 +24,7 @@ Debian OpenSSL keys.
 
 author = "Mak Kolybabi"
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
-categories = {"discovery"}
+categories = {"safe", "discovery", "vuln"}
 
 require("bin")
 require("nmap")