diff --git a/src/SMESHGUI/SMESHGUI_Hypotheses.h b/src/SMESHGUI/SMESHGUI_Hypotheses.h
index bb5d9f8ac..22fc991f2 100644
--- a/src/SMESHGUI/SMESHGUI_Hypotheses.h
+++ b/src/SMESHGUI/SMESHGUI_Hypotheses.h
@@ -130,6 +130,7 @@ private:
 
 private:
   SMESH::SMESH_Hypothesis_var  myHypo, myInitParamsHypo;
+  bool                         myToDeleteInitParamsHypo;
   QString                      myHypName;
   QString                      myHypType;
   ListOfWidgets                myParamWidgets;