diff --git a/src/function/builtin/math/DIVIDE.java b/src/function/builtin/math/DIVIDE.java
index e2bd744..4ec3bcd 100644
--- a/src/function/builtin/math/DIVIDE.java
+++ b/src/function/builtin/math/DIVIDE.java
@@ -23,8 +23,8 @@ public class DIVIDE extends LispFunction {
         return mathFunction.callTailRecursive(argumentList);
     }
 
-    private LispNumber getReciprocal(LispNumber number1) {
-        return new LispNumber(BigInteger.ONE.divide(number1.getValue()));
+    private LispNumber getReciprocal(LispNumber number) {
+        return new LispNumber(BigInteger.ONE.divide(number.getValue()));
     }
 
     private LispNumber divide(LispNumber number1, LispNumber number2) {