diff --git a/src/Mod/Import/Gui/AppImportGuiPy.cpp b/src/Mod/Import/Gui/AppImportGuiPy.cpp
index bad749c9f..5cb63a410 100644
--- a/src/Mod/Import/Gui/AppImportGuiPy.cpp
+++ b/src/Mod/Import/Gui/AppImportGuiPy.cpp
@@ -45,6 +45,7 @@
 # include <Quantity_Color.hxx>
 # include <STEPCAFControl_Reader.hxx>
 # include <STEPCAFControl_Writer.hxx>
+# include <STEPControl_Writer.hxx>
 # include <IGESCAFControl_Reader.hxx>
 # include <IGESCAFControl_Writer.hxx>
 # include <IGESControl_Controller.hxx>