diff --git a/src/Mod/PartDesign/Gui/ViewProviderBody.cpp b/src/Mod/PartDesign/Gui/ViewProviderBody.cpp
index 120bf765e4..52b51611db 100644
--- a/src/Mod/PartDesign/Gui/ViewProviderBody.cpp
+++ b/src/Mod/PartDesign/Gui/ViewProviderBody.cpp
@@ -26,6 +26,7 @@
 #ifndef _PreComp_
 # include <boost_bind_bind.hpp>
 # include <Inventor/actions/SoGetBoundingBoxAction.h>
+# include <Inventor/nodes/SoSeparator.h>
 # include <Precision.hxx>
 # include <QMenu>
 #endif