diff --git a/apps/files/lib/Listener/LoadSidebarListener.php b/apps/files/lib/Listener/LoadSidebarListener.php
index c543819702d5a..cfd751e085033 100644
--- a/apps/files/lib/Listener/LoadSidebarListener.php
+++ b/apps/files/lib/Listener/LoadSidebarListener.php
@@ -24,5 +24,6 @@ public function handle(Event $event): void {
 		}
 
 		Util::addScript(Application::APP_ID, 'sidebar');
+		Util::addStyle(Application::APP_ID, 'sidebar');
 	}
 }