diff --git a/src/Mod/Part/App/modelRefine.cpp b/src/Mod/Part/App/modelRefine.cpp
index 68dd1d791..d6f3d80ee 100644
--- a/src/Mod/Part/App/modelRefine.cpp
+++ b/src/Mod/Part/App/modelRefine.cpp
@@ -22,6 +22,7 @@
 
 
 #include "PreCompiled.h"
+#include <Base/Tools.h>
 #include <algorithm>
 #include <iterator>
 #include <Geom_Surface.hxx>
@@ -64,6 +65,8 @@
 
 using namespace ModelRefine;
 
+
+
 void ModelRefine::getFaceEdges(const TopoDS_Face &face, EdgeVectorType &edges)
 {
     TopExp_Explorer it;