diff --git a/lavamoat/browserify/desktop/policy.json b/lavamoat/browserify/desktop/policy.json
index e3b4c0d4d..17e096890 100644
--- a/lavamoat/browserify/desktop/policy.json
+++ b/lavamoat/browserify/desktop/policy.json
@@ -816,6 +816,8 @@
     },
     "@metamask/desktop": {
       "globals": {
+        "TextDecoder": true,
+        "TextEncoder": true,
         "WebSocket": true,
         "clearInterval": true,
         "clearTimeout": true,