diff --git a/app/ui/Main.tsx b/app/ui/Main.tsx
index c0ba54a..3e60430 100644
--- a/app/ui/Main.tsx
+++ b/app/ui/Main.tsx
@@ -3,7 +3,7 @@ import { PageHeader } from "./PageHeader";
 import { PageFooter } from "./PageFooter";
 
 export interface MainProps {
-
+    children: React.ReactNode;
 }
 
 export const Main:FC<MainProps> = ({ children }) =>