diff --git a/src/back/app.ts b/src/back/app.ts
index 34bb1be..a75b384 100644
--- a/src/back/app.ts
+++ b/src/back/app.ts
@@ -23,6 +23,7 @@ declare module "koa" {
 		$context: SealiousContext;
 		$app: TheApp;
 		$body: Record<string, unknown>;
+		params: Record<string, string | undefined>;
 	}
 }