diff --git a/examples/lua/sorting.lua b/examples/lua/sorting.lua
index ed76670..f4a8c1c 100644
--- a/examples/lua/sorting.lua
+++ b/examples/lua/sorting.lua
@@ -1,3 +1,4 @@
+#!/usr/bin/env luajit
 fruits = {"banana","orange","apple","grapes"}
 
 for k,v in ipairs(fruits) do
diff --git a/examples/lua/symmetric_difference.lua b/examples/lua/symmetric_difference.lua
index a488ef1..e88d3f8 100644
--- a/examples/lua/symmetric_difference.lua
+++ b/examples/lua/symmetric_difference.lua
@@ -1,3 +1,4 @@
+#!/usr/bin/env luajit
 A = { ["John"] = true, ["Bob"] = true, ["Mary"] = true, ["Elena"] = true }
 B = { ["Jim"] = true, ["Mary"] = true, ["John"] = true, ["Bob"] = true }