diff --git a/server.lua b/server.lua
index b6f92dd..395b59b 100644
--- a/server.lua
+++ b/server.lua
@@ -6,7 +6,6 @@
 
 local async = require('async')
 local paths = require('paths')
-local sys = require('sys')
 
 local function getMime(ext)
    if ext == '.css' then
@@ -58,7 +57,7 @@ local function handler(req, res, client)
     local ext = string.match(path, "%.%l%l%l?")
     local mime = getMime(ext)
 
-    local file = io.open(paths.dirname(sys.fpath()) .. '/static' .. path, 'r')
+    local file = io.open(paths.dirname(paths.thisfile()) .. '/static' .. path, 'r')
     if file ~= nil then
       local content = file:read("*all")
       file:close()