diff --git a/src/Mod/Part/Gui/ReferenceHighlighter.h b/src/Mod/Part/Gui/ReferenceHighlighter.h
index f2619a6924..de501c032b 100644
--- a/src/Mod/Part/Gui/ReferenceHighlighter.h
+++ b/src/Mod/Part/Gui/ReferenceHighlighter.h
@@ -29,6 +29,7 @@
 #include <TopTools_IndexedMapOfShape.hxx>
 
 #include <App/Material.h>
+#include <Mod/Part/PartGlobal.h>
 
 
 namespace PartGui {