diff --git a/platformio/home/rpc/server.py b/platformio/home/rpc/server.py
index 2437e40e..ab7c13da 100644
--- a/platformio/home/rpc/server.py
+++ b/platformio/home/rpc/server.py
@@ -14,6 +14,7 @@
 
 from urllib.parse import parse_qs
 
+import ajsonrpc.utils
 import click
 from ajsonrpc.core import JSONRPC20Error, JSONRPC20Request
 from ajsonrpc.dispatcher import Dispatcher
@@ -24,6 +25,10 @@ from platformio.compat import aio_create_task, aio_get_running_loop
 from platformio.http import InternetConnectionError
 from platformio.proc import force_exit
 
+# Remove this line when PR is merged
+# https://github.com/pavlov99/ajsonrpc/pull/22
+ajsonrpc.utils.is_invalid_params = lambda: False
+
 
 class JSONRPCServerFactoryBase:
     connection_nums = 0