diff --git a/protocols/minecraftvanilla.js b/protocols/minecraftvanilla.js
index 971f1cb..b788186 100644
--- a/protocols/minecraftvanilla.js
+++ b/protocols/minecraftvanilla.js
@@ -39,7 +39,9 @@ class MinecraftVanilla extends Core {
         const strLen = reader.varint();
         this.debugLog("String Length: "+strLen);
 
-        const str = reader.rest().toString('utf8');
+        const rest = reader.rest()
+
+        const str = rest.toString('utf8', 0, strLen)
         this.debugLog(str);
 
         const json = JSON.parse(str.substring(0, strLen));
@@ -67,8 +69,8 @@ class MinecraftVanilla extends Core {
         // Better Compatibility Checker mod support
         let bccJson = {}
 
-        if (str.length > strLen) {
-            const bccStr = str.substring(strLen + 1);
+        if (rest.length > strLen) {
+            const bccStr = rest.toString('utf8', strLen + 1);
             bccJson = JSON.parse(bccStr);
         }