diff --git a/package-lock.json b/package-lock.json
index 224c4480..276822b6 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "yjs",
-  "version": "13.0.0-62",
+  "version": "13.0.0-63",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 9bcf54a7..ebc7221f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "yjs",
-  "version": "13.0.0-62",
+  "version": "13.0.0-63",
   "description": "A framework for real-time p2p shared editing on any data",
   "main": "./y.node.js",
   "browser": "./y.js",
diff --git a/src/Struct/Item.js b/src/Struct/Item.js
index 3b03e33b..0a9da78f 100644
--- a/src/Struct/Item.js
+++ b/src/Struct/Item.js
@@ -87,7 +87,7 @@ export default class Item {
      * If the parent refers to this item with some kind of key (e.g. YMap, the
      * key is specified here. The key is then used to refer to the list in which
      * to insert this item. If `parentSub = null` type._start is the list in
-     * which to insert to. Otherwise it is `parent._start`.
+     * which to insert to. Otherwise it is `parent._map`.
      * @type {String}
      */
     this._parentSub = null
@@ -125,8 +125,17 @@ export default class Item {
       return this._redone
     }
     let struct = this._copy()
-    let left = this._left
-    let right = this
+    let left, right
+    if (this._parentSub === null) {
+      // Is an array item. Insert at the old position
+      left = this._left
+      right = this
+    } else {
+      // Is a map item. Insert at the start
+      left = null
+      right = this._parent._map.get(this._parentSub)
+      right._delete(y)
+    }
     let parent = this._parent
     // make sure that parent is redone
     if (parent._deleted === true && parent._redone === null) {