1 files changed, 1 insertions, 1 deletions

diff --git a/bench.lua b/bench.lua
index 18e8116..b653cc9 100644
--- a/bench.lua
+++ b/bench.lua
@@ -1,4 +1,4 @@
-function fib(n)
+local function fib(n)
   if n < 2 then return n end
   return fib(n - 2) + fib(n - 1)
 end