diff --git a/example/data/array.json b/example/data/array.json
index 8bcdb186..f770e793 100644
--- a/example/data/array.json
+++ b/example/data/array.json
@@ -36,6 +36,19 @@
                 "title": "Type",
                 "type": "string",
                 "enum": ["home", "work", "mobile", "fax", "etc"]
+            },
+            "nested": {
+                "title": "Nested",
+                "type": "array",
+                "items": {
+                    "type": "object",
+                    "properties": {
+                        "first": {
+                            "title": "First",
+                            "type": "string"
+                        }
+                    }
+                }
             }
           },
           "required": ["name","comment"]
@@ -80,6 +93,12 @@
                 { "name": "Fax", "value": "fax" },
                 { "name": "Etc", "value": "etc" }
             ]
+        },
+        {
+            "key": "comments[].nested",
+            "items": [
+                "comments[].nested[].first"
+            ]
         }
       ]
     }
diff --git a/src/Array.js b/src/Array.js
index c56e14a5..78a16348 100644
--- a/src/Array.js
+++ b/src/Array.js
@@ -55,8 +55,6 @@ type State = {
 class Array extends Component<Props, State> {
     static ITEM_ID = "_SCHEMAFORM_ITEM_ID";
 
-    static SEQUENCE = 1;
-
     static assignItemId(item) {
         if (item && typeof item === "object" && !item[Array.ITEM_ID]) {
             const newItem = Object.assign({}, item);
@@ -87,6 +85,8 @@ class Array extends Component<Props, State> {
         return copy;
     };
 
+    SEQUENCE = 1;
+
     constructor(props) {
         super(props);
         const { form, model } = this.props;