diff --git a/src/Mod/Part/App/OpenCascadeAll.h b/src/Mod/Part/App/OpenCascadeAll.h
index 410a370230..627d7fb587 100644
--- a/src/Mod/Part/App/OpenCascadeAll.h
+++ b/src/Mod/Part/App/OpenCascadeAll.h
@@ -150,6 +150,7 @@
 #include <BRepFeat_SplitShape.hxx>
 #include <BRepFill.hxx>
 #include <BRepFill_Filling.hxx>
+#include <BRepFill_Generator.hxx>
 #include <BRepFilletAPI_MakeChamfer.hxx>
 #include <BRepFilletAPI_MakeFillet.hxx>
 #include <BRepGProp.hxx>