diff --git a/extension/background.js b/extension/background.js
index 03cba4b..759bd0d 100644
--- a/extension/background.js
+++ b/extension/background.js
@@ -359,6 +359,7 @@ function findRoute(path) {
 
 let port;
 async function onMessage(req) {
+  if (req.buf) req.buf = atob(req.buf);
   console.log('req', req);
 
   let response = { op: req.op, error: unix.EIO };
diff --git a/fs/tabfs.c b/fs/tabfs.c
index c7ab18c..3e3f1db 100644
--- a/fs/tabfs.c
+++ b/fs/tabfs.c
@@ -136,7 +136,7 @@ tabfs_write(const char *path, const char *buf, size_t size, off_t offset,
             struct fuse_file_info *fi) {
     
     send_request("{op: %Q, path: %Q, buf: %V, offset: %d, fh: %d, flags: %d}",
-                 "write", path, size, buf, offset, fi->fh, fi->flags);
+                 "write", path, buf, size, offset, fi->fh, fi->flags);
 
     int ret; receive_response("{size: %d}", &ret); return ret;