diff --git a/src/js/port_handler.js b/src/js/port_handler.js
index bf8508ba..aed0da48 100644
--- a/src/js/port_handler.js
+++ b/src/js/port_handler.js
@@ -162,6 +162,7 @@ PortHandler.check_serial_devices = function () {
             currentPorts = self.updatePortSelect(currentPorts);
             self.selectPort(currentPorts);
             self.initialPorts = currentPorts;
+            GUI.updateManualPortVisibility();
         } else {
             self.removePort(currentPorts);
             self.detectPort(currentPorts);