diff --git a/src/core/components/model.jsx b/src/core/components/model.jsx
index 658fba0e..818608ca 100644
--- a/src/core/components/model.jsx
+++ b/src/core/components/model.jsx
@@ -5,7 +5,7 @@ import PropTypes from "prop-types"
 
 export default class Model extends ImmutablePureComponent {
   static propTypes = {
-    schema: ImPropTypes.orderedMap.isRequired,
+    schema: ImPropTypes.map.isRequired,
     getComponent: PropTypes.func.isRequired,
     getConfigs: PropTypes.func.isRequired,
     specSelectors: PropTypes.object.isRequired,