diff --git a/modules/net/copper.lua b/modules/net/copper.lua
index fb2ad48..139345e 100644
--- a/modules/net/copper.lua
+++ b/modules/net/copper.lua
@@ -38,7 +38,7 @@ spawn("copperd",function() print(xpcall(function ()
    end
   elseif ev[1] == "sendmsg" then
    local p = {}
-   p.pid = string.char(math.random(255),math.random(255),math.random(255))
+   p.pid = string.char(math.random(32,126),math.random(32,126),math.random(32,126))
    p.nid = ev[2]
    p.port = ev[3]
    p.msg = ev[4]