diff --git a/src/SMESHGUI/SMESHGUI_Hypotheses.cxx b/src/SMESHGUI/SMESHGUI_Hypotheses.cxx
index 12b6226f1..4c3438dc7 100644
--- a/src/SMESHGUI/SMESHGUI_Hypotheses.cxx
+++ b/src/SMESHGUI/SMESHGUI_Hypotheses.cxx
@@ -152,7 +152,7 @@ void SMESHGUI_GenericHypothesisCreator::editHypothesis( SMESH::SMESH_Hypothesis_
   }
   else {
     emit finished( QDialog::Accepted );
-	delete myDlg;
+        delete myDlg;
   }
 }