diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6aff16a9e6..ca959a23af 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# 1.13.6
+
+ * Fix experimental object spread/rest helper.
+
 # 1.13.5
 
  * Upgrade `acorn-6to5`.
diff --git a/lib/6to5/templates/object-spread.js b/lib/6to5/templates/object-spread.js
index 901fb418c6..a5ad00f639 100644
--- a/lib/6to5/templates/object-spread.js
+++ b/lib/6to5/templates/object-spread.js
@@ -1,9 +1,9 @@
-(function (target, keys) {
+(function (obj, keys) {
   var target = {};
-  for (var i in target) {
+  for (var i in obj) {
     if (keys.indexOf(i) >= 0) continue;
-    if (!Object.prototype.hasOwn.call(target)) continue;
-    target[i] = target[i];
+    if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
+    target[i] = obj[i];
   }
   return target;
 })
diff --git a/test/fixtures/transformation/es6-destructuring/es7-object-rest/expected.js b/test/fixtures/transformation/es6-destructuring/es7-object-rest/expected.js
index f1333fb51e..50857a50a3 100644
--- a/test/fixtures/transformation/es6-destructuring/es7-object-rest/expected.js
+++ b/test/fixtures/transformation/es6-destructuring/es7-object-rest/expected.js
@@ -1,11 +1,11 @@
 "use strict";
 
-var _objectSpread = function (target, keys) {
+var _objectSpread = function (obj, keys) {
   var target = {};
-  for (var i in target) {
+  for (var i in obj) {
     if (keys.indexOf(i) >= 0) continue;
-    if (!Object.prototype.hasOwn.call(target)) continue;
-    target[i] = target[i];
+    if (!Object.prototype.hasOwnProperty.call(obj, i)) continue;
+    target[i] = obj[i];
   }
 
   return target;