diff --git a/config/optional/pathauto.pattern.user_site_mapping.yml b/config/optional/pathauto.pattern.user_site_mapping.yml
new file mode 100644
index 0000000..70daf09
--- /dev/null
+++ b/config/optional/pathauto.pattern.user_site_mapping.yml
@@ -0,0 +1,14 @@
+langcode: pt-br
+status: true
+dependencies:
+  module:
+    - pathauto
+    - user
+id: user_site_mapping
+label: 'User site mapping'
+type: 'canonical_entities:user'
+pattern: 'user/[user:name]'
+selection_criteria: {  }
+selection_logic: and
+weight: 0
+relationships: {  }
diff --git a/modules/site_users_microsite/src/Theme/MicrositeThemeNegotiator.php b/modules/site_users_microsite/src/Theme/MicrositeThemeNegotiator.php
index fa7e25a..2a46d71 100644
--- a/modules/site_users_microsite/src/Theme/MicrositeThemeNegotiator.php
+++ b/modules/site_users_microsite/src/Theme/MicrositeThemeNegotiator.php
@@ -15,15 +15,16 @@ class MicrositeThemeNegotiator implements ThemeNegotiatorInterface {
    */
   public function applies(RouteMatchInterface $route_match): bool {
     $route_name = $route_match->getRouteName();
-    $excluded = ['site_users_microsite.settings'];
 
-    if (in_array($route_name, $excluded)) {
+    if ($route_name === 'site_users_microsite.settings') {
       return FALSE;
     }
 
-    $current_path = \Drupal::service('path.current')->getPath();
-    $alias = \Drupal::service('path_alias.manager')->getAliasByPath($current_path);
-    return (bool) preg_match('#^/user/\d+(/|$)#', $alias);
+    if ($route_name === 'entity.user.canonical') {
+      return TRUE;
+    }
+
+    return str_starts_with($route_name, 'site_users_microsite.');
   }
 
   /**