# Resolves an issue in which notes and attachments larger than 16 KB
# could become corrupted during the upload process.
# See https://github.com/laurent22/joplin/issues/14343
diff --git a/src/parsers/JSON.js b/src/parsers/JSON.js
index 9a096c25778c7c68be1ddd9dd78faa85bd1d8ec3..6d6bfd2d3789313a7adc8966ab8e58c3d3167356 100644
--- a/src/parsers/JSON.js
+++ b/src/parsers/JSON.js
@@ -12,13 +12,14 @@ class JSONParser extends Transform {
   }
 
   _transform(chunk, encoding, callback) {
-    this.chunks.push(String(chunk)); // todo consider using a string decoder
+    this.chunks.push(chunk); // type: Uint8Array
     callback();
   }
 
   _flush(callback) {
     try {
-      const fields = JSON.parse(this.chunks.join(''));
+      const data = Buffer.concat(this.chunks);
+      const fields = JSON.parse(data.toString('utf-8'));
       Object.keys(fields).forEach((key) => {
         const value = fields[key];
         this.push({ key, value });