diff --git a/03_recursion/ES6/03_factorial.js b/03_recursion/ES6/03_factorial.js
index 74fa4dd..5a2a469 100644
--- a/03_recursion/ES6/03_factorial.js
+++ b/03_recursion/ES6/03_factorial.js
@@ -4,7 +4,7 @@
  * @returns {number} Result
  */
 const fact = x => {
-  if (x === 1) return 1;
+  if (x === 0) return 1;
   return x * fact(x - 1);
 };