diff -r de405832bfb6 -r c39ad633b26d net/server.lua
--- a/net/server.lua	Sat Apr 03 22:26:14 2010 +0100
+++ b/net/server.lua	Fri Apr 09 12:25:54 2010 +0100
@@ -698,7 +698,7 @@
     if type( listeners ) ~= "table" then
         err = "invalid listener table"
     end
-    if not type( port ) == "number" or not ( port >= 0 and port <= 65535 ) then
+    if type( port ) ~= "number" or not ( port >= 0 and port <= 65535 ) then
         err = "invalid port"
     elseif _server[ port ] then
         err =  "listeners on port '" .. port .. "' already exist"