diff --git a/include/boost/process/detail/posix/environment.hpp b/include/boost/process/detail/posix/environment.hpp
index 5f297ed3f..c883f0c23 100644
--- a/include/boost/process/detail/posix/environment.hpp
+++ b/include/boost/process/detail/posix/environment.hpp
@@ -56,6 +56,7 @@ class native_environment_impl
     {
         _buffer = _load();
         _impl = _load_var(_buffer);
+        _env_impl = _impl.data();
     }
 
     string_type get(const pointer_type id) { return get(string_type(id)); }