--- a/src/slic3r/Config/Version.cpp
+++ b/src/slic3r/Config/Version.cpp
@@ -7,6 +7,7 @@
 #include <cctype>
 
 #include <boost/filesystem/operations.hpp>
+#include <boost/filesystem/directory.hpp>
 #include <boost/nowide/fstream.hpp>
 
 #include "libslic3r/libslic3r.h"
--- a/src/slic3r/GUI/UserAccountCommunication.cpp
+++ b/src/slic3r/GUI/UserAccountCommunication.cpp
@@ -13,6 +13,7 @@
 #include <boost/filesystem.hpp>
 #include <boost/nowide/cstdio.hpp>
 #include <boost/nowide/fstream.hpp>
+#include <boost/nowide/convert.hpp>
 #include <curl/curl.h>
 #include <string>