diff --git a/frontend/app/player/web/MessageManager.ts b/frontend/app/player/web/MessageManager.ts
index 90194b642..ce128c899 100644
--- a/frontend/app/player/web/MessageManager.ts
+++ b/frontend/app/player/web/MessageManager.ts
@@ -214,7 +214,6 @@ export default class MessageManager {
     // this.state.update({ filesLoaded: true })
   }
 
-  noIndexMode = false
   async loadMessages(isClickmap: boolean = false) {
     this.state.update({ messagesProcessed: false })
     this.setMessagesLoading(true)
@@ -224,10 +223,10 @@ export default class MessageManager {
         ? (b: Uint8Array) => decryptSessionBytes(b, this.session.fileKey)
         : (b: Uint8Array) => Promise.resolve(b)
       // Each time called - new fileReader created
-      const fileReader = new MFileReader(new Uint8Array(), this.sessionStart, this.noIndexMode)
+      const fileReader = new MFileReader(new Uint8Array(), this.sessionStart)
       return (b: Uint8Array) => decrypt(b).then(b => {
         fileReader.append(b)
-        this.noIndexMode = fileReader.checkForIndexes()
+        fileReader.checkForIndexes()
         const msgs: Array<Message> = []
         for (let msg = fileReader.readNext();msg !== null;msg = fileReader.readNext()) {
           msgs.push(msg)
diff --git a/frontend/app/player/web/messages/MFileReader.ts b/frontend/app/player/web/messages/MFileReader.ts
index a2393bed4..be9c8c533 100644
--- a/frontend/app/player/web/messages/MFileReader.ts
+++ b/frontend/app/player/web/messages/MFileReader.ts
@@ -13,13 +13,14 @@ export default class MFileReader extends RawMessageReader {
   private currentTime: number
   public error: boolean = false
   private noIndexes: boolean = false
-  constructor(data: Uint8Array, private startTime?: number, noIndexes?: boolean, private logger= console) {
+  constructor(data: Uint8Array, private startTime?: number, private logger= console) {
     super(data)
-    if (noIndexes) this.noIndexes = true
+    // if (noIndexes) this.noIndexes = true
   }
 
   public checkForIndexes() {
     const firstBytes = this.readCustomIndex(this.buf.slice(0, 9))
+    // 0xff 0xff 0xff 0xff 0xff 0xff 0xff 0xff = no indexes
     const skipIndexes = firstBytes === 72057594037927940
     if (skipIndexes) {
       this.noIndexes = true