diff --git a/src/Mod/Part/App/OpenCascadeAll.h b/src/Mod/Part/App/OpenCascadeAll.h
index a516cf882c..6ca245d082 100644
--- a/src/Mod/Part/App/OpenCascadeAll.h
+++ b/src/Mod/Part/App/OpenCascadeAll.h
@@ -175,6 +175,7 @@
 #include <BRepOffset_MakeOffset.hxx>
 #include <BRepOffsetAPI_DraftAngle.hxx>
 #include <BRepOffsetAPI_MakeEvolved.hxx>
+#include <BRepOffsetAPI_MakeFilling.hxx>
 #include <BRepOffsetAPI_MakeOffset.hxx>
 #include <BRepOffsetAPI_MakePipe.hxx>
 #include <BRepOffsetAPI_MakePipeShell.hxx>