diff --git a/sorting-algorithms-in-javascript/bubble-sort.es6.js b/sorting-algorithms-in-javascript/bubble-sort.es6.js
index 21d2c2a..61f667d 100644
--- a/sorting-algorithms-in-javascript/bubble-sort.es6.js
+++ b/sorting-algorithms-in-javascript/bubble-sort.es6.js
@@ -21,7 +21,7 @@ function bubbleSort(array) {
   do {
     swapped = false;
     for(let i = 0; i < array.length; i++) {
-      if(array[i] && array[i + 1] && array[i] > array[i + 1]) {
+      if(array[i] > array[i + 1]) {
         [array[i], array[i + 1]] = [array[i + 1], array[i]];
         swapped = true;
       }