diff --git a/web3.js/test/connection.test.js b/web3.js/test/connection.test.js
index e49bf75403..303bd40d4f 100644
--- a/web3.js/test/connection.test.js
+++ b/web3.js/test/connection.test.js
@@ -21,9 +21,10 @@ if (!mockRpcEnabled) {
   jest.setTimeout(30000);
 }
 
-const errorMessage = 'Invalid request';
+const errorMessage = 'Invalid';
 const errorResponse = {
   error: {
+    code: -32602,
     message: errorMessage,
   },
   result: undefined,