diff -r 1f340f3597a8 -r ea92f4fe783d client/src/components/NotesList.js
--- a/client/src/components/NotesList.js	Tue Oct 09 19:07:47 2018 +0200
+++ b/client/src/components/NotesList.js	Mon Oct 08 18:35:47 2018 +0200
@@ -1,6 +1,5 @@
 import React, { Component } from 'react';
 import PropTypes from 'prop-types';
-import Immutable from 'immutable';
 import Modal  from 'react-modal';
 import Note from './Note';
 import './NoteList.css';
@@ -16,8 +15,8 @@
   }
 
   componentDidUpdate(prevProps) {
-    if ((this.props.notes || []).size > (prevProps.notes || []).size) {
-    this.node.scrollIntoView({behavior: "smooth", block: "end", inline: "nearest"})
+    if ((this.props.notes || []).length > (prevProps.notes || []).length) {
+      this.node.scrollIntoView({behavior: "smooth", block: "end", inline: "nearest"})
     }
   }
 
@@ -115,7 +114,7 @@
 };
 
 NotesList.propTypes = {
-  notes: PropTypes.instanceOf(Immutable.List).isRequired
+  notes: PropTypes.array.isRequired
 };
 
 export default NotesList;