diff --git a/frontend/app/player/MessageDistributor/PrimitiveReader.ts b/frontend/app/player/MessageDistributor/PrimitiveReader.ts
index 7842212f9..b49955074 100644
--- a/frontend/app/player/MessageDistributor/PrimitiveReader.ts
+++ b/frontend/app/player/MessageDistributor/PrimitiveReader.ts
@@ -3,7 +3,7 @@ export default class PrimitiveReader {
   constructor(protected readonly buf: Uint8Array) {}
 
   hasNext() {
-    return this.buf.length < this.p
+    return this.p < this.buf.length
   }
   
   readUint() {