diff --git a/src/slic3r/GUI/GLCanvas3DManager.cpp b/src/slic3r/GUI/GLCanvas3DManager.cpp
index 3594e85a4..a5d75d601 100644
--- a/src/slic3r/GUI/GLCanvas3DManager.cpp
+++ b/src/slic3r/GUI/GLCanvas3DManager.cpp
@@ -10,6 +10,7 @@
 
 #include <wx/glcanvas.h>
 #include <wx/timer.h>
+#include <wx/msgdlg.h>
 
 #include <vector>
 #include <string>
diff --git a/src/slic3r/GUI/GUI_ObjectList.hpp b/src/slic3r/GUI/GUI_ObjectList.hpp
index fc02c706e..3b51c1761 100644
--- a/src/slic3r/GUI/GUI_ObjectList.hpp
+++ b/src/slic3r/GUI/GUI_ObjectList.hpp
@@ -3,6 +3,7 @@
 
 #include <map>
 #include <vector>
+#include <set>
 
 #include <wx/bitmap.h>
 #include <wx/dataview.h>