diff --git a/helfi_platform_config.libraries.yml b/helfi_platform_config.libraries.yml
index 9f7ff4420..99333fd05 100644
--- a/helfi_platform_config.libraries.yml
+++ b/helfi_platform_config.libraries.yml
@@ -69,11 +69,18 @@ user_consent_functions:
   dependencies:
     - core/drupal
 
-telia_ace_widget:
-  version: 1.0.x
-  header: true
+telia_ace_widget_loadjs:
+  version: 1.0.1
   css:
     theme:
       assets/css/telia_ace.css: {}
+  js:
+    'https://wds.ace.teliacompany.com/wds/instances/J5XKjqJt/load_ace.js': {
+      type: external,
+      minified: false,
+      attributes: {
+        defer: true
+      }
+    }
   dependencies:
     - helfi_platform_config/user_consent_functions
diff --git a/src/Plugin/Block/TeliaAceWidget.php b/src/Plugin/Block/TeliaAceWidget.php
index fe3567ca1..2b018d606 100644
--- a/src/Plugin/Block/TeliaAceWidget.php
+++ b/src/Plugin/Block/TeliaAceWidget.php
@@ -22,19 +22,11 @@ public function blockForm($form, FormStateInterface $form_state) {
     $form = parent::blockForm($form, $form_state);
     $config = $this->getConfiguration();
 
-    $form['script_url'] = [
-      '#type' => 'textfield',
-      '#required' => TRUE,
-      '#title' => $this->t('Script URL'),
-      '#description' => $this->t('URL to the chat JS library without the domain, for example: /wds/instances/J5XKjqJt/ACEWebSDK.min.js'),
-      '#default_value' => $config['script_url'] ?? '/wds/instances/J5XKjqJt/ACEWebSDK.min.js',
-    ];
-
     $form['chat_id'] = [
       '#type' => 'textfield',
       '#required' => TRUE,
       '#title' => $this->t('Chat Widget ID'),
-      '#description' => $this->t('ID for the chat instance. Example format: example-chat-fin'),
+      '#description' => $this->t('ID for the chat instance, without the humany_ prefix. This value can be translated. Example format: example-chat-fin'),
       '#default_value' => $config['chat_id'] ?? '',
     ];
 
@@ -45,7 +37,6 @@ public function blockForm($form, FormStateInterface $form_state) {
    * {@inheritdoc}
    */
   public function blockSubmit($form, FormStateInterface $formState) {
-    $this->configuration['script_url'] = $formState->getValue('script_url');
     $this->configuration['chat_id'] = $formState->getValue('chat_id');
   }
 
@@ -54,41 +45,28 @@ public function blockSubmit($form, FormStateInterface $formState) {
    */
   public function build() {
 
-    $library = ['helfi_platform_config/telia_ace_widget'];
-
     $build = [];
 
     $config = $this->getConfiguration();
-    $base_url = 'https://wds.ace.teliacompany.com';
-    $script_url = $base_url . $config['script_url'];
     $chat_id = 'humany_' . $config['chat_id'];
+    $attached = [
+      'library' => ['helfi_platform_config/telia_ace_widget_loadjs'],
+    ];
 
-    $build['ibm_chat_app'] = [
+    $build['telia_chat_widget'] = [
       'button' => [
         '#type' => 'html_tag',
         '#tag' => 'div',
         '#attributes' => [
+          'role' => 'region',
+          'aria-label' => 'chat',
           'id' => $chat_id,
           'class' => [
             'hidden',
           ],
         ],
       ],
-      '#attached' => [
-        'library' => $library,
-        'html_head' => [
-          [
-            [
-              '#tag' => 'script',
-              '#attributes' => [
-                'async' => TRUE,
-                'type' => 'text/javascript',
-                'src' => $script_url,
-              ],
-            ], 'telia_ace_script',
-          ],
-        ],
-      ],
+      '#attached' => $attached,
     ];
 
     return $build;