diff --git a/src/slic3r/GUI/3DScene.cpp b/src/slic3r/GUI/3DScene.cpp
index 5894a750e..3cb8ee82e 100644
--- a/src/slic3r/GUI/3DScene.cpp
+++ b/src/slic3r/GUI/3DScene.cpp
@@ -24,6 +24,7 @@
 #include "libslic3r/Utils.hpp"
 #include "libslic3r/AppConfig.hpp"
 #include "libslic3r/PresetBundle.hpp"
+#include "libslic3r/ClipperUtils.hpp"
 #if ENABLE_SINKING_CONTOURS
 #include "libslic3r/Tesselate.hpp"
 #endif // ENABLE_SINKING_CONTOURS
diff --git a/src/slic3r/GUI/HintNotification.cpp b/src/slic3r/GUI/HintNotification.cpp
index 5e8c3014f..e94858d3f 100644
--- a/src/slic3r/GUI/HintNotification.cpp
+++ b/src/slic3r/GUI/HintNotification.cpp
@@ -9,6 +9,8 @@
 #include "libslic3r/PresetBundle.hpp"
 
 #include <boost/filesystem.hpp>
+#include <boost/nowide/fstream.hpp>
+#include <boost/log/trivial.hpp>
 #include <boost/property_tree/ini_parser.hpp>
 #include <map>