diff --git a/src/ApiManager.php b/src/ApiManager.php
index 3804df2..f783a1b 100644
--- a/src/ApiManager.php
+++ b/src/ApiManager.php
@@ -130,7 +130,7 @@ public function update(string $langcode, array $data) : ApiResponse {
       throw new ConfigException('Missing "helfi_navigation.api" key setting.');
     }
 
-    $endpoint = sprintf('%s/%s', static::GLOBAL_MENU_ENDPOINT, $this->environmentResolver->getActiveEnvironment()->getId());
+    $endpoint = sprintf('%s/%s', static::GLOBAL_MENU_ENDPOINT, $this->environmentResolver->getActiveProject()->getName());
     $url = $this->getUrl('api', $langcode, ['endpoint' => $endpoint]);
 
     return $this->client->makeRequest('POST', $url, [
diff --git a/src/Plugin/rest/resource/GlobalMobileMenu.php b/src/Plugin/rest/resource/GlobalMobileMenu.php
index f20f32c..7760a68 100644
--- a/src/Plugin/rest/resource/GlobalMobileMenu.php
+++ b/src/Plugin/rest/resource/GlobalMobileMenu.php
@@ -107,8 +107,8 @@ public function get(): ResourceResponse {
     }
 
     $projectName = $this->environmentResolver
-      ->getActiveEnvironment()
-      ->getId();
+      ->getActiveProject()
+      ->getName();
     $site_name = $this->configFactory->get('system.site')->get('name');
 
     // Create menu tree and add data to the local menu.