diff --git a/sort.js b/sort.js
index 98ade30..911456c 100644
--- a/sort.js
+++ b/sort.js
@@ -1,6 +1,6 @@
 var sortNumber = function (number) {
   number.sort(function (a, b) {
-    if (a === b) {
+    if (a == b) {
       return 0;
     }
     return a < b ? -1 : 1;