diff --git a/examples/again.myc b/examples/again.myc
new file mode 100644
index 0000000..5e6c557
--- /dev/null
+++ b/examples/again.myc
@@ -0,0 +1,10 @@
+;; Benchmark: 2.5us
+;; Benchmark-Repeat: 804
+;; Output: 120
+(do
+  (def factorial (fn [n acc]
+    (if (= n 0)
+      acc
+      (again [(- n 1) (* acc n)]))))
+
+  (factorial 5 1))