diff --git a/libsrc/general/myadt.hpp b/libsrc/general/myadt.hpp
index cdbbd61f..c5b9c5ec 100644
--- a/libsrc/general/myadt.hpp
+++ b/libsrc/general/myadt.hpp
@@ -44,5 +44,6 @@
 #include "mpi_interface.hpp"
 #include "netgenout.hpp"
 #include "gzstream.h"
+#include "archive_base.hpp"
 
 #endif