diff --git a/benchmark/fib.wren b/benchmark/fib.wren
index c2a34df6..35c89dfb 100644
--- a/benchmark/fib.wren
+++ b/benchmark/fib.wren
@@ -1,10 +1,12 @@
-var fib = new Fn {|n|
-  if (n < 2) return n
-  return fib.call(n - 1) + fib.call(n - 2)
+class Fib {
+  static get(n) {
+    if (n < 2) return n
+    return get(n - 1) + get(n - 2)
+  }
 }
 
 var start = IO.clock
 for (i in 1..5) {
-  IO.print(fib.call(28))
+  IO.print(Fib.get(28))
 }
 IO.print("elapsed: ", IO.clock - start)