diff --git a/apps/accessibility/lib/AppInfo/Application.php b/apps/accessibility/lib/AppInfo/Application.php
index 9b79cadb4b6e8a1ddcad612cb74051626c53ac73..6d583af07f41ee63863ea663c631ddb889947026 100644
--- a/apps/accessibility/lib/AppInfo/Application.php
+++ b/apps/accessibility/lib/AppInfo/Application.php
@@ -82,7 +82,7 @@ class Application extends App implements IBootstrap {
 			$userValues = ['dark'];
 
 			$hash = md5(implode('-', $userValues));
-			$linkToCSS = $this->urlGenerator->linkToRoute(self::APP_NAME . '.accessibility.getCss', ['md5' => $hash]);
+			$linkToCSS = $urlGenerator->linkToRoute(self::APP_ID . '.accessibility.getCss', ['md5' => $hash]);
 			\OCP\Util::addHeader('link', ['rel' => 'stylesheet', 'media' => '(prefers-color-scheme: dark)', 'href' => $linkToCSS]);
 		}
 	}