diff --git a/snippets/fibonacci-array-generator.md b/snippets/fibonacci-array-generator.md
index ef6a2a975..38cfbc943 100644
--- a/snippets/fibonacci-array-generator.md
+++ b/snippets/fibonacci-array-generator.md
@@ -4,11 +4,13 @@ Create an empty array of the specific length, initializing the first two values
 Use `reduce()` to add values into the array, using the sum of the last two values, except for the first two.
 
 ```js
-const fibonacci = n =>
-  Array.apply(null, [0,1].concat(Array(n-2))).reduce(
-    (acc, val, i) => {
-      acc.push( i>1 ? acc[i-1]+acc[i-2] : val);
+const fibonacci = n => {
+  return Array(n)
+    .fill(0)
+    .reduce((acc, val, i) => {
+      acc.push(i > 1 ? acc[i - 1] + acc[i - 2] : i);
       return acc;
     },[]);
+}
 // fibonacci(5) -> [0,1,1,2,3]
 ```