diff --git a/src/slic3r/Utils/FontUtils.hpp b/src/slic3r/Utils/FontUtils.hpp
index 27837cd50..089d1565d 100644
--- a/src/slic3r/Utils/FontUtils.hpp
+++ b/src/slic3r/Utils/FontUtils.hpp
@@ -3,6 +3,7 @@
 #include <memory>
 #include <vector>
 #include <assert.h>
+#include <wx/font.h>
 
 namespace Slic3r {