diff --git a/dist/queue.js b/dist/queue.js
index 98a44e8..d190f82 100644
--- a/dist/queue.js
+++ b/dist/queue.js
@@ -42,7 +42,7 @@ try {
 catch (e) { }
 function SaveQueue() {
     let queueJson = Object.fromEntries(QUEUE), queueFileJson = {};
-    for (let channelId in QUEUE.keys())
+    for (let channelId of QUEUE.keys())
         queueFileJson[channelId] = { teamsize: queueJson[channelId].teamsize };
     fs.writeFileSync('./queues.json', JSON.stringify(queueFileJson, null, 2));
 }
diff --git a/src/queue.ts b/src/queue.ts
index 57cb6cf..2c710ae 100644
--- a/src/queue.ts
+++ b/src/queue.ts
@@ -31,7 +31,7 @@ function SaveQueue() {
     let queueJson = Object.fromEntries(QUEUE),
         queueFileJson: {[keys: string]: queueInfoBase} = {};
 
-    for (let channelId in QUEUE.keys())
+    for (let channelId of QUEUE.keys())
         queueFileJson[channelId] = { teamsize: queueJson[channelId].teamsize };
     
     fs.writeFileSync('./queues.json', JSON.stringify(queueFileJson, null, 2));