diff --git a/src/chat/proto/proto.js b/src/chat/proto/proto.js
index f0f6967..9726909 100644
--- a/src/chat/proto/proto.js
+++ b/src/chat/proto/proto.js
@@ -1,4 +1,5 @@
 /*eslint-disable block-scoped-var, id-length, no-control-regex, no-magic-numbers, no-prototype-builtins, no-redeclare, no-shadow, no-var, sort-vars*/
+"use strict";
 
 var $protobuf = require("protobufjs/light");