diff --git a/lib/eModbus/src/ModbusServerTCPasync.cpp b/lib/eModbus/src/ModbusServerTCPasync.cpp
index e8d0a43dc..be2b0cbf1 100644
--- a/lib/eModbus/src/ModbusServerTCPasync.cpp
+++ b/lib/eModbus/src/ModbusServerTCPasync.cpp
@@ -253,7 +253,7 @@ void ModbusServerTCPasync::onClientConnect(AsyncClient* client) {
     LOG_D("nr clients: %u\n", clients.size());
   } else {
     LOG_D("max number of clients reached, closing new\n");
-    client->close(true);
+    client->close();
     delete client;
   }
 }