diff --git a/gambling.js b/gambling.js
index 01f131b..6d592b6 100644
--- a/gambling.js
+++ b/gambling.js
@@ -188,7 +188,7 @@ async function leaveLobby(id, username) {
 async function deleteLobby(id) {
     if (id && playerMap[id]) {
         if (playerMap[id].length === 0) {
-            playerMap[id].splice(playerMap.indexOf(id), 1);
+            delete playerMap[id];
         }
     }
 }
@@ -274,4 +274,4 @@ app.get("/lobby/players", authenticateToken, async (req, res) => {
 
 app.listen(port, () => {
     console.log("Server is running on port " + port);
-});
+});
\ No newline at end of file