diff --git a/src/Facepile.tsx b/src/Facepile.tsx
index 5f661c3..2469892 100644
--- a/src/Facepile.tsx
+++ b/src/Facepile.tsx
@@ -31,8 +31,8 @@ interface Props extends HTMLAttributes<HTMLDivElement> {
   className: string;
   client: MatrixClient;
   participants: RoomMember[];
-  max: number;
-  size: Size;
+  max?: number;
+  size?: Size;
 }
 
 export function Facepile({
diff --git a/src/UserMenuContainer.tsx b/src/UserMenuContainer.tsx
index 85cb1d7..5818536 100644
--- a/src/UserMenuContainer.tsx
+++ b/src/UserMenuContainer.tsx
@@ -8,7 +8,7 @@ import { ProfileModal } from "./profile/ProfileModal";
 import { UserMenu } from "./UserMenu";
 
 interface Props {
-  preventNavigation: boolean;
+  preventNavigation?: boolean;
 }
 
 export function UserMenuContainer({ preventNavigation }: Props) {