diff --git a/index.js b/index.js
index 958a403..c3a73b5 100644
--- a/index.js
+++ b/index.js
@@ -3,7 +3,7 @@ module.exports = remove
 function remove (arr, i) {
   if (i >= arr.length || i < 0) return
   var last = arr.pop()
-  if (i < arr.length) {
+  if (i < arr.length && arr[i] !== last) {
     var tmp = arr[i]
     arr[i] = last
     return tmp