diff --git a/python/CMakeLists.txt b/python/CMakeLists.txt
index ba55ac2af..0c9dd6967 100644
--- a/python/CMakeLists.txt
+++ b/python/CMakeLists.txt
@@ -189,6 +189,8 @@ if(GTSAM_UNSTABLE_BUILD_PYTHON)
             gtsam::BinaryMeasurementsPoint3
             gtsam::BinaryMeasurementsUnit3
             gtsam::BinaryMeasurementsRot3
+            gtsam::SimWall2DVector
+            gtsam::SimPolygon2DVector
             gtsam::CameraSetCal3_S2
             gtsam::CameraSetCal3Bundler
             gtsam::CameraSetCal3Unified
diff --git a/python/gtsam_unstable/gtsam_unstable.tpl b/python/gtsam_unstable/gtsam_unstable.tpl
index b98872c46..006ca7fc8 100644
--- a/python/gtsam_unstable/gtsam_unstable.tpl
+++ b/python/gtsam_unstable/gtsam_unstable.tpl
@@ -9,6 +9,7 @@
 
 #include <pybind11/eigen.h>
 #include <pybind11/stl_bind.h>
+#include <pybind11/stl.h>
 #include <pybind11/pybind11.h>
 #include <pybind11/functional.h>
 #include <pybind11/iostream.h>