diff --git a/python/mujoco/experimental/studio/native_viewer.cc b/python/mujoco/experimental/studio/native_viewer.cc
index e4379862..71d6cf51 100644
--- a/python/mujoco/experimental/studio/native_viewer.cc
+++ b/python/mujoco/experimental/studio/native_viewer.cc
@@ -176,6 +176,7 @@ class Viewer {
 };
 
 PYBIND11_MODULE(native_viewer_cc, m) {
+  pybind11::module_::import("mujoco._structs");
   pybind11::class_<Viewer>(m, "Viewer")
       .def(pybind11::init<const std::string&, int, int, const std::string&>())
       .def("InitRenderer", &Viewer::InitRenderer)
diff --git a/python/mujoco/experimental/studio/parser.cc b/python/mujoco/experimental/studio/parser.cc
index c1e191ce..28f76baa 100644
--- a/python/mujoco/experimental/studio/parser.cc
+++ b/python/mujoco/experimental/studio/parser.cc
@@ -41,6 +41,7 @@ py::object Parse(std::string_view filepath) {
 }  // namespace mujoco::python
 
 PYBIND11_MODULE(parser, m) {
+  pybind11::module_::import("mujoco._structs");
   m.def("parse", &mujoco::python::Parse,
         pybind11::return_value_policy::take_ownership);
 }
diff --git a/python/mujoco/experimental/studio/renderer.cc b/python/mujoco/experimental/studio/renderer.cc
index b121e1e9..c7f695d3 100644
--- a/python/mujoco/experimental/studio/renderer.cc
+++ b/python/mujoco/experimental/studio/renderer.cc
@@ -69,6 +69,7 @@ class Renderer {
 }  // namespace mujoco::python
 
 PYBIND11_MODULE(renderer, m) {
+  pybind11::module_::import("mujoco._structs");
   pybind11::class_<mujoco::python::Renderer>(m, "Renderer")
       .def(pybind11::init<const std::string&>())
       .def("Init", &mujoco::python::Renderer::Init)
diff --git a/python/mujoco/experimental/studio/sim.cc b/python/mujoco/experimental/studio/sim.cc
index c694abaa..890b328b 100644
--- a/python/mujoco/experimental/studio/sim.cc
+++ b/python/mujoco/experimental/studio/sim.cc
@@ -24,6 +24,7 @@ namespace py = pybind11;
 using StepControl = mujoco::platform::StepControl;
 
 PYBIND11_MODULE(sim, m) {
+  py::module_::import("mujoco._structs");
   m.doc() = "MuJoCo platform simulation bindings for Link.";
 
   py::enum_<StepControl::Status>(m, "StepStatus")
diff --git a/python/mujoco/experimental/studio/ux.cc b/python/mujoco/experimental/studio/ux.cc
index 8827a70f..86754719 100644
--- a/python/mujoco/experimental/studio/ux.cc
+++ b/python/mujoco/experimental/studio/ux.cc
@@ -57,6 +57,7 @@ struct RenderFlags {
 };
 
 PYBIND11_MODULE(ux, m) {
+  py::module_::import("mujoco._structs");
   py::class_<RenderFlags>(m, "RenderFlags")
       .def(py::init<>())
       .def_readwrite("flags", &RenderFlags::flags);