diff --git a/plugins/deviceplugins/mock/devicepluginmock.cpp b/plugins/deviceplugins/mock/devicepluginmock.cpp
index 3c372185..add4d04d 100644
--- a/plugins/deviceplugins/mock/devicepluginmock.cpp
+++ b/plugins/deviceplugins/mock/devicepluginmock.cpp
@@ -274,7 +274,9 @@ void DevicePluginMock::startMonitoringAutoDevices()
     DeviceDescriptor mockDescriptor(mockDeviceAutoClassId, "Mock Device (Auto created)");
 
     ParamList params;
-    Param param("httpport", 4242);
+    qsrand(QDateTime::currentMSecsSinceEpoch());
+    int port = 4242 + (qrand() % 1000);
+    Param param("httpport", port);
     params.append(param);
     mockDescriptor.setParams(params);