diff --git a/config-serializer/UhkBuffer.ts b/config-serializer/UhkBuffer.ts
index 85f1204f..6bff8255 100644
--- a/config-serializer/UhkBuffer.ts
+++ b/config-serializer/UhkBuffer.ts
@@ -122,7 +122,7 @@ class UhkBuffer {
 
     readString(): string {
         let stringByteLength = this.readCompactLength();
-        let str = this.buffer.toString(UhkBuffer.stringEncoding, this.offset, stringByteLength);
+        let str = this.buffer.toString(UhkBuffer.stringEncoding, this.offset, this.offset+stringByteLength);
         this.dump(`${UhkBuffer.stringEncoding}(${str})`);
         this.bytesToBacktrack = stringByteLength;
         this.offset += stringByteLength;