diff --git a/ui/lobby/src/interfaces.ts b/ui/lobby/src/interfaces.ts
index 2f35718f33..b03b992a37 100644
--- a/ui/lobby/src/interfaces.ts
+++ b/ui/lobby/src/interfaces.ts
@@ -34,6 +34,31 @@ export interface LobbyOpts extends Untyped {
 export interface LobbyData extends Untyped {
   hooks: Hook[];
   seeks: Seek[];
+  nowPlaying: NowPlaying[];
+}
+
+export interface NowPlaying {
+  fullId: string;
+  gameId: string;
+  fen: Fen;
+  color: Color;
+  lastMove: String;
+  variant: {
+    key: string;
+    name: string;
+  };
+  speed: string;
+  perf: string;
+  rated: boolean;
+  hasMoved: boolean;
+  opponent: {
+    id: string;
+    username: string;
+    rating?: number;
+    ai?: number;
+  };
+  isMyTurn: boolean;
+  secondsLeft?: number;
 }
 
 export interface PoolMember {
diff --git a/ui/lobby/src/view/playing.ts b/ui/lobby/src/view/playing.ts
index 5c049564db..0b13d13784 100644
--- a/ui/lobby/src/view/playing.ts
+++ b/ui/lobby/src/view/playing.ts
@@ -1,8 +1,9 @@
 import { h } from 'snabbdom';
 import LobbyController from '../ctrl';
+import { NowPlaying } from '../interfaces';
 
-function timer(pov) {
-  const date = Date.now() + pov.secondsLeft * 1000;
+function timer(pov: NowPlaying) {
+  const date = Date.now() + pov.secondsLeft! * 1000;
   return h('time.timeago', {
     hook: {
       insert(vnode) {
@@ -13,6 +14,7 @@ function timer(pov) {
 }
 
 export default function(ctrl: LobbyController) {
+
   return h('div.now-playing',
     ctrl.data.nowPlaying.map(pov =>
       h('a.' + pov.variant.key, {