diff --git a/cmake/Standalone_CMakeLists.cmake b/cmake/Standalone_CMakeLists.cmake
index 1ef49dc20..4d0d2b3ce 100644
--- a/cmake/Standalone_CMakeLists.cmake
+++ b/cmake/Standalone_CMakeLists.cmake
@@ -75,7 +75,7 @@ IF(ADD_PYTHON)
 			MESSAGE(STATUS "Clone pybind11")
 
 			execute_process(
-				COMMAND git clone https://github.com/pybind/pybind11 ${CMAKE_CURRENT_SOURCE_DIR}/pybind11
+				COMMAND git clone https://github.com/pybind/pybind11 --branch v2.2.4 ${CMAKE_CURRENT_SOURCE_DIR}/pybind11
 				OUTPUT_VARIABLE     git_output
 				ERROR_VARIABLE		git_error
 			)
diff --git a/private/PROPOSAL/Propagator.cxx b/private/PROPOSAL/Propagator.cxx
index 8f5d68036..a0e6b459b 100644
--- a/private/PROPOSAL/Propagator.cxx
+++ b/private/PROPOSAL/Propagator.cxx
@@ -791,7 +791,7 @@ Geometry* Propagator::ParseGeometryConifg(const boost::property_tree::ptree& pt)
     std::string origin_str       = "origin";
     std::string outer_radius_str = "outer_radius";
     std::string inner_radius_str = "inner_radius";
-    std::string lenght_str       = "lenght";
+    std::string lenght_str       = "length";
     std::string width_str        = "width";
     std::string height_str       = "height";
 
diff --git a/private/python/pybindings.cxx b/private/python/pybindings.cxx
index 34df1dfa7..4943f7d7b 100644
--- a/private/python/pybindings.cxx
+++ b/private/python/pybindings.cxx
@@ -849,8 +849,10 @@ PYBIND11_MODULE(pyPROPOSAL, m)
         .def(py::init<const ParticleDef&, const std::vector<Sector::Definition>&, const Geometry&>(),
             py::arg("particle_def"), py::arg("sector_defs"), py::arg("detector"))
         .def(py::init<const ParticleDef&, const std::string&>(), py::arg("particle_def"), py::arg("config_file"))
+        .def(py::init<const Propagator&>(), py::arg("Propagator"))
         .def("propagate", &Propagator::Propagate, py::arg("max_distance_cm") = 1e20, py::return_value_policy::reference)
         .def_property_readonly("particle", &Propagator::GetParticle, "Get the internal created particle to modify its properties")
+        .def_property_readonly("sector", &Propagator::GetCurrentSector, "Get the current sector")
         .def_property_readonly("detector", &Propagator::GetDetector, "Get the detector geometry");
 
     // --------------------------------------------------------------------- //