diff --git a/src/koans/about_functions.clj b/src/koans/about_functions.clj
index c0f33b5..82774b5 100644
--- a/src/koans/about_functions.clj
+++ b/src/koans/about_functions.clj
@@ -17,5 +17,5 @@
           4 5))
 
   "Higher-order functions take function arguments"
-  (= 25 ((fn [f] (f 5))
-          (fn [n] (__ __ __)))))
+  (= 25 (___
+          (fn [n] (* n n)))))
diff --git a/src/path_to_enlightenment.clj b/src/path_to_enlightenment.clj
index 519a3d9..b58861e 100644
--- a/src/path_to_enlightenment.clj
+++ b/src/path_to_enlightenment.clj
@@ -2,6 +2,7 @@
   (:use clojure.test))
 
 (def __ nil)
+(def ___ (fn [& args] args))
 
 (defmacro meditations [& forms]
   (let [pairs (partition 2 forms)]