diff --git a/assets/index.html b/assets/index.html
index 2151791..ae17e5a 100755
--- a/assets/index.html
+++ b/assets/index.html
@@ -11,7 +11,7 @@
     <meta property="og:title" content="FHIR App Starter" />
     <meta property="og:url" content="https://github.com/zeevosec/fhir-app-starter" />
     <meta property="og:description" content="FHIR App Starter: start your app logic right away" />
-    <meta property="og:image" content="TODO" />
+    <meta property="og:image" content="%PUBLIC_URL%/media/meta-icons/favicon.ico" />
     <meta property="og:type" content="website" />
     <meta name="theme-color" content="#000000" />
     <meta name="apple-mobile-web-app-title" content="FHIR App Starter" />
diff --git a/package.json b/package.json
index dd68a7a..df1ce4d 100644
--- a/package.json
+++ b/package.json
@@ -79,6 +79,7 @@
     "redux-persist": "^6.0.0",
     "redux-saga": "^1.1.1",
     "regenerator-runtime": "^0.13.3",
+    "reselect": "^4.0.0",
     "semantic-ui-css": "^2.4.1",
     "semantic-ui-react": "^0.88.2",
     "styled-components": "^4.4.0",
diff --git a/src/containers/App/index.js b/src/containers/App/index.js
index 15cffb1..382a619 100755
--- a/src/containers/App/index.js
+++ b/src/containers/App/index.js
@@ -5,6 +5,7 @@ import { Router, Switch, Route } from 'react-router-dom';
 import { Helmet } from 'react-helmet-async';
 import { Grid, Container, Header, Divider } from 'semantic-ui-react';
 
+import { getConfig } from './selectors';
 import config from '../../config';
 import history from '../../modules/history';
 import Home from '../Home';
@@ -47,8 +48,7 @@ class App extends React.Component {
 }
 
 function mapStateToProps(state) {
-  // TODO: replace with selector here
-  return { loaded: !!state.app.config };
+  return { loaded: !!getConfig(state) };
 }
 
 function mapDispatchToProps(dispatch) {
diff --git a/src/containers/App/selectors.js b/src/containers/App/selectors.js
index 6fe1d8a..80a0cee 100644
--- a/src/containers/App/selectors.js
+++ b/src/containers/App/selectors.js
@@ -2,5 +2,10 @@
  * The App state selectors
  */
 
-// import { createSelector } from 'reselect';
-// import { initialState } from './reducers';
+import { createSelector } from 'reselect';
+
+export const getApp = state => state.app;
+
+export const getConfig = createSelector([getApp], app => {
+  return app.config;
+});
diff --git a/yarn.lock b/yarn.lock
index 53413e5..8c46801 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -11756,6 +11756,11 @@ requires-port@^1.0.0:
   resolved "https://registry.yarnpkg.com/requires-port/-/requires-port-1.0.0.tgz#925d2601d39ac485e091cf0da5c6e694dc3dcaff"
   integrity sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8=
 
+reselect@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/reselect/-/reselect-4.0.0.tgz#f2529830e5d3d0e021408b246a206ef4ea4437f7"
+  integrity sha512-qUgANli03jjAyGlnbYVAV5vvnOmJnODyABz51RdBN7M4WaVu8mecZWgyQNkG8Yqe3KRGRt0l4K4B3XVEULC4CA==
+
 resolve-cwd@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/resolve-cwd/-/resolve-cwd-2.0.0.tgz#00a9f7387556e27038eae232caa372a6a59b665a"