diff --git a/libsrc/core/python_ngcore.hpp b/libsrc/core/python_ngcore.hpp
index 92cbbe62..a8ef5755 100644
--- a/libsrc/core/python_ngcore.hpp
+++ b/libsrc/core/python_ngcore.hpp
@@ -5,6 +5,7 @@
 #include <pybind11/pybind11.h>
 #include <pybind11/operators.h>
 #include <pybind11/numpy.h>
+#include <pybind11/stl.h>
 
 #include "array.hpp"
 #include "archive.hpp"