diff --git a/app/components/menu-sidebar.hbs b/app/components/menu-sidebar.hbs
index 60e40cf87..ec10c37da 100644
--- a/app/components/menu-sidebar.hbs
+++ b/app/components/menu-sidebar.hbs
@@ -80,7 +80,7 @@
         />
 
         {{! Link to SOFIA }}
-        <a class='link' href={{this.sofiaUrl}} target='_blank'>
+        <a class='link' href={{config.sofiaUrl}} target='_blank'>
           <MenuSidebarItem
             @link=''
             @hasPermission={{true}}
diff --git a/app/components/menu-sidebar.js b/app/components/menu-sidebar.js
index 5d4ab3268..18e07e433 100644
--- a/app/components/menu-sidebar.js
+++ b/app/components/menu-sidebar.js
@@ -10,16 +10,6 @@ export default class MenuSidebar extends Component {
   @service store;
   @tracked staticPages;
 
-  get sofiaUrl() {
-    if (config.environment === 'development') {
-      return 'http://localhost:5000';
-    } else if (config.deployTarget === 'staging') {
-      return 'https://stagingstreep.csvalpha.nl';
-    } else {
-      return 'https://streep.csvalpha.nl';
-    }
-  }
-
   @action
   invalidateSession() {
     this.session.invalidate();
diff --git a/app/controllers/users/index.js b/app/controllers/users/index.js
index a0c4579ee..7b0000f48 100644
--- a/app/controllers/users/index.js
+++ b/app/controllers/users/index.js
@@ -20,6 +20,10 @@ export default class UsersIndexController extends FilterableAndSortableControlle
       value: 'last_name',
       label: 'Achternaam',
     },
+    {
+      value: 'startDate',
+      label: 'Lid sinds',
+    },
     {
       value: 'address',
       label: 'Adres',
diff --git a/config/environment.js b/config/environment.js
index b46d1fa5c..59743e285 100644
--- a/config/environment.js
+++ b/config/environment.js
@@ -73,7 +73,8 @@ module.exports = function (environment) {
     // ENV.APP.LOG_VIEW_LOOKUPS = true;
 
     ENV.clientId = '123456789';
-
+    ENV.sofiaurl = 'http://localhost:5000'
+    
     // Disable mirage in development
     ENV['ember-cli-mirage'] = {
       enabled: false,
@@ -98,6 +99,8 @@ module.exports = function (environment) {
     ENV.APP.flashNoticeDefaultDuration = 1;
   }
 
+   
+
   ENV['@sentry/ember'] = {
     sentry: {
       dsn: 'https://invalid@sentry.io/12345', // invalid key, will be replaced when run as prod
@@ -106,7 +109,7 @@ module.exports = function (environment) {
     },
   };
 
-  if (environment === 'production') {
+  if (environment === 'build') {
     // here you can enable a production-specific feature
     ENV['@sentry/ember'].sentry.dsn =
       'https://8936a95696f7453ab03e59264a7fede8@sentry.io/186017';
@@ -115,10 +118,12 @@ module.exports = function (environment) {
   if (deployTarget === 'production') {
     ENV.clientId = 'IIeYVVbdNhiSiSCxKP5eUgS5Vs1-9ccZEvISdCVqe5g';
     ENV.googleAnalytics = { webPropertyId: 'G-8XNQMRFWPZ' };
+    ENV.sofiaurl = 'https://streep.csvalpha.nl';
   }
 
   if (deployTarget === 'staging') {
     ENV.clientId = 'D0HhpORylbWUgOBwyR-0GGDcfsi9PG6zSNgctW--f-4';
+    ENV.sofiaurl = 'https://stagingstreep.csvalpha.nl';
   }
 
   return ENV;