diff --git a/src/slic3r/GUI/Gizmos/GLGizmoBase.hpp b/src/slic3r/GUI/Gizmos/GLGizmoBase.hpp
index 489b1cfbc..631a76e33 100644
--- a/src/slic3r/GUI/Gizmos/GLGizmoBase.hpp
+++ b/src/slic3r/GUI/Gizmos/GLGizmoBase.hpp
@@ -10,6 +10,9 @@
 
 #include <cereal/archives/binary.hpp>
 
+#include <wx/event.h>
+#include <wx/timer.h>
+
 #include <chrono>
 
 #define ENABLE_FIXED_GRABBER 1