diff --git a/src/web/app/common/mios.ts b/src/web/app/common/mios.ts
index 36c851ac6..23f6980cf 100644
--- a/src/web/app/common/mios.ts
+++ b/src/web/app/common/mios.ts
@@ -23,7 +23,7 @@ export default class MiOS extends EventEmitter {
 	/**
 	 * A signing user
 	 */
-	public i: any;
+	public i: { [x: string]: any };
 
 	/**
 	 * Whether signed in