diff --git a/src/3rdParty/salomesmesh/src/SMESH/SMESH_Mesh.cpp b/src/3rdParty/salomesmesh/src/SMESH/SMESH_Mesh.cpp
index 24dc2d00a6..8e78712f4a 100644
--- a/src/3rdParty/salomesmesh/src/SMESH/SMESH_Mesh.cpp
+++ b/src/3rdParty/salomesmesh/src/SMESH/SMESH_Mesh.cpp
@@ -64,7 +64,7 @@
 
 #include <GEOMUtils.hxx>
 
-#undef _Precision_HeaderFile
+//#undef _Precision_HeaderFile
 #include <BRepBndLib.hxx>
 #include <BRepPrimAPI_MakeBox.hxx>
 #include <Bnd_Box.hxx>