diff --git a/scripts/rpcinfo.nse b/scripts/rpcinfo.nse
index 8230d18b5..7f1d11a5e 100644
--- a/scripts/rpcinfo.nse
+++ b/scripts/rpcinfo.nse
@@ -20,6 +20,7 @@ author = "Patrik Karlsson"
 license = "Same as Nmap--See http://nmap.org/book/man-legal.html"
 categories = {"discovery", "safe"}
 
+require 'stdnse'
 require 'shortport'
 require 'rpc'