From c9a801d823248301ec0d70b1ab18ee0cfe88174f Mon Sep 17 00:00:00 2001
From: MatthewJA <matthew.alger@gmail.com>
Date: Fri, 19 Dec 2014 21:37:03 +1100
Subject: [PATCH] bugfix for mapovervariables

---
 coffeequate/src/operators/Pow.coffee | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/coffeequate/src/operators/Pow.coffee b/coffeequate/src/operators/Pow.coffee
index cbe1f93..27d509e 100644
--- a/coffeequate/src/operators/Pow.coffee
+++ b/coffeequate/src/operators/Pow.coffee
@@ -86,8 +86,8 @@ define [
 		# @param fun [Function] A function to map over variables.
 		# @return [Pow] A copy of this node with the function mapped over all variables.
 		mapOverVariables: (fun) ->
-			left = @left.mapOverVariables(fun)
-			right = @right.mapOverVariables(fun)
+			left = @children.left.mapOverVariables(fun)
+			right = @children.right.mapOverVariables(fun)
 			return (new Pow(left, right))
 
 		# Expand this node.