diff --git a/calculator/calculator.js b/calculator/calculator.js
index 660e58a..6fa7dd9 100644
--- a/calculator/calculator.js
+++ b/calculator/calculator.js
@@ -33,7 +33,7 @@ function recursiveFactorial(n) {
   if (n===0){
     return 1;
   }
-  return n * factorial (n-1);
+  return n * recursiveFactorial (n-1);
 }
 
 module.exports = {