diff --git a/src/types/client_data.d.ts b/src/types/client_data.d.ts
index 49d6f5a..c86507a 100644
--- a/src/types/client_data.d.ts
+++ b/src/types/client_data.d.ts
@@ -12,15 +12,15 @@ interface HostInformation extends response {
 // Event is only emitted when the JoinGame event is successful, so there is no
 // success indicator in this response
 interface NewPlayer {
-	player: string;
+	player?: string;
 }
 
 interface GameJoined extends response {
 	// properties depend on `success` being `true`
-	players: string[];
+	players?: string[];
 }
 
 interface PlayerListResponse extends response {
 	// properties depend on `success` being `true`
-	players: string[]
+	players?: string[]
 }
\ No newline at end of file