diff --git a/src/routes/(token-based)/+layout.server.ts b/src/routes/(token-based)/+layout.server.ts
index ea7d7f9..f382f3a 100644
--- a/src/routes/(token-based)/+layout.server.ts
+++ b/src/routes/(token-based)/+layout.server.ts
@@ -10,9 +10,9 @@ export const load: LayoutServerLoad = async ({ params, cookies, locals }) => {
 		};
 	}
 
-	const vorgangToken = params.vorgang || '';
+	const vorgangToken = params.vorgang ?? '';
 	const COOKIE_NAME = `token-${vorgangToken}`;
-	const vorgangPIN = cookies.get(COOKIE_NAME) || '';
+	const vorgangPIN = cookies.get(COOKIE_NAME) ?? '';
 
 	const isVorgangValid = vorgangExists(vorgangToken);
 	const isVorgangPINValid = vorgangPINValidation(vorgangToken, vorgangPIN);