diff --git a/integrations/nextcloud/snappymail/lib/Controller/PageController.php b/integrations/nextcloud/snappymail/lib/Controller/PageController.php
index ebae0d318..17295860b 100644
--- a/integrations/nextcloud/snappymail/lib/Controller/PageController.php
+++ b/integrations/nextcloud/snappymail/lib/Controller/PageController.php
@@ -16,6 +16,8 @@ class PageController extends Controller
 	 */
 	public function index()
 	{
+        $nav = SnappyMailHelper::getNavigationManager();
+
 		$bAdmin = false;
 		if (!empty($_SERVER['QUERY_STRING'])) {
 			SnappyMailHelper::loadApp();
@@ -26,7 +28,7 @@ class PageController extends Controller
 		}
 
 		if (!$bAdmin && SnappyMailHelper::getAppConfigValue('snappymail-no-embed')) {
-			\OC::$server->getNavigationManager()->setActiveEntry('snappymail');
+            $nav->setActiveEntry('snappymail');
 			\OCP\Util::addScript('snappymail', 'snappymail');
 			\OCP\Util::addStyle('snappymail', 'style');
 			SnappyMailHelper::startApp();
@@ -41,7 +43,7 @@ class PageController extends Controller
 			return $response;
 		}
 
-		\OC::$server->getNavigationManager()->setActiveEntry('snappymail');
+		$nav->setActiveEntry('snappymail');
 
 		\OCP\Util::addStyle('snappymail', 'embed');
 
diff --git a/integrations/nextcloud/snappymail/lib/Util/SnappyMailHelper.php b/integrations/nextcloud/snappymail/lib/Util/SnappyMailHelper.php
index 54c8e3639..bf3339016 100644
--- a/integrations/nextcloud/snappymail/lib/Util/SnappyMailHelper.php
+++ b/integrations/nextcloud/snappymail/lib/Util/SnappyMailHelper.php
@@ -42,6 +42,14 @@ class SnappyMailHelper
 		)->getAppValue('snappymail', $key, $default);
 	}
 
+	public static function getNavigationManager(): object
+	{
+		return \method_exists(\OC::$server, 'getNavigationManager')
+			? \OC::$server->getNavigationManager()
+			// Nextcloud 32+
+			: \OCP\Server::get(\OCP\INavigationManager::class);
+	}
+
 	public static function getSystemConfigValue(string $key, mixed $default = null): mixed
 	{
 		return \method_exists(\OC::$server, 'getSystemConfig')