diff --git a/python/ugv_sdk_py/src/ranger_robot.cpp b/python/ugv_sdk_py/src/ranger_robot.cpp
index 81abb8fd..eddedeb4 100644
--- a/python/ugv_sdk_py/src/ranger_robot.cpp
+++ b/python/ugv_sdk_py/src/ranger_robot.cpp
@@ -98,7 +98,7 @@ void BindRangerRobot(pybind11::module &m) {
 
     // RangerRobot class
     py::class_<RangerRobot>(m_ranger_robot, "RangerRobot")
-        .def(py::init<Variant>(),
+        .def(py::init<RangerRobot::Variant>(),
             py::arg("variant"),
             "Constructor for RangerRobot with model version")
         .def("connect", &RangerRobot::Connect,
@@ -138,12 +138,12 @@ void BindRangerRobot(pybind11::module &m) {
         .def("get_common_sensor_state", &RangerRobot::GetCommonSensorState,
             "Get the common sensor state");
 
-        py::enum_<RangerRobot::Variant>(m_ranger_robot, "Variant")
-        .value("kRangerMiniV1", Variant::kRangerMiniV1)
-        .value("kRangerMiniV2", Variant::kRangerMiniV2)
-        .value("kRangerMiniV3", Variant::kRangerMiniV3)
-        .value("kRanger", Variant::kRanger)
-        .export_values()
+    py::enum_<RangerRobot::Variant>(m_ranger_robot, "Variant")
+    .value("kRangerMiniV1", RangerRobot::Variant::kRangerMiniV1)
+    .value("kRangerMiniV2", RangerRobot::Variant::kRangerMiniV2)
+    .value("kRangerMiniV3", RangerRobot::Variant::kRangerMiniV3)
+    .value("kRanger", RangerRobot::Variant::kRanger)
+    .export_values();
 }
 // clang-format on
 }  // namespace westonrobot
\ No newline at end of file