diff --git a/src/SMESH/SMESH_Mesh.hxx b/src/SMESH/SMESH_Mesh.hxx
index 91ae67eda..0ece936c2 100644
--- a/src/SMESH/SMESH_Mesh.hxx
+++ b/src/SMESH/SMESH_Mesh.hxx
@@ -257,6 +257,7 @@ protected:
   int                        _studyId;
   int                        _idDoc;        // id given by SMESHDS_Document
   int                        _groupId;      // id generator for group objects
+  int                        _nbSubShapes;  // initial nb of subshapes in the shape to mesh
   bool                       _isShapeToMesh;// set to true when a shape is given (only once)
   std::list <SMESH_subMesh*> _subMeshesUsingHypothesisList;
   SMESHDS_Document *         _myDocument;