diff --git a/src/SMESHGUI/SMESHGUI_GroupDlg.cxx b/src/SMESHGUI/SMESHGUI_GroupDlg.cxx
index 9bf9e43f5..83fd3c412 100644
--- a/src/SMESHGUI/SMESHGUI_GroupDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_GroupDlg.cxx
@@ -844,7 +844,7 @@ void SMESHGUI_GroupDlg::onObjectSelectionChanged()
         aGroupMainShape = GEOM::GEOM_Object::_duplicate(myGeomGroup);
       _PTR(SObject) aGroupMainShapeSO =
         //aStudy->FindObjectIOR(aStudy->ConvertObjectToIOR(aGroupMainShape));
-        aStudy->FindObjectIOR(aGroupMainShape->GetStudyEntry());
+        aStudy->FindObjectID(aGroupMainShape->GetStudyEntry());
 
       // The mesh SObject
       _PTR(SObject) aMeshSO = SMESH::FindSObject(myMesh);
@@ -1209,7 +1209,7 @@ void SMESHGUI_GroupDlg::onAdd()
     if (aGroupType == aType) {
       _PTR(SObject) aGroupSO =
         //aStudy->FindObjectIOR(aStudy->ConvertObjectToIOR(myGeomGroup));
-        aStudy->FindObjectIOR(myGeomGroup->GetStudyEntry());
+        aStudy->FindObjectID(myGeomGroup->GetStudyEntry());
       // Construct filter
       SMESH::FilterManager_var aFilterMgr = SMESH::GetFilterManager();
       SMESH::Filter_var aFilter = aFilterMgr->CreateFilter();