diff --git a/frontend/src/app.d.ts b/frontend/src/app.d.ts
index d77aac2..882b576 100644
--- a/frontend/src/app.d.ts
+++ b/frontend/src/app.d.ts
@@ -2,7 +2,10 @@
 // for information about these interfaces
 declare global {
 	namespace App {
-		// interface Error {}
+		export interface Error {
+			status: number;
+			message: string;
+		}
 		// interface Locals {}
 		// interface PageData {}
 		// interface Platform {}