diff --git a/lib/browser/rpc-server.js b/lib/browser/rpc-server.js
index 03eed56de911..c61329da9e5b 100644
--- a/lib/browser/rpc-server.js
+++ b/lib/browser/rpc-server.js
@@ -142,6 +142,7 @@ const exceptionToMeta = function (error) {
 const throwRPCError = function (message) {
   const error = new Error(message)
   error.code = 'EBADRPC'
+  error.errno = 72
   throw error
 }