diff --git a/src/SMESHGUI/SMESHGUI_MeshOp.cxx b/src/SMESHGUI/SMESHGUI_MeshOp.cxx
index ffca225e5..a7b402cdd 100644
--- a/src/SMESHGUI/SMESHGUI_MeshOp.cxx
+++ b/src/SMESHGUI/SMESHGUI_MeshOp.cxx
@@ -854,6 +854,9 @@ void SMESHGUI_MeshOp::createHypothesis (const int theDim,
 {
   // During a hypothesis creation we might need to select some objects.
   // Main dialog must not update it's own selected objects in this case.
+
+  // but the state of the ToggleButtons should be saved to restore it later
+  LightApp_SimpleGuiStateMap dlgState = dlg()->getActiveState();
   dlg()->deactivateAll();
 
   HypothesisData* aData = SMESH::GetHypothesisData(theTypeName.latin1());
@@ -882,6 +885,8 @@ void SMESHGUI_MeshOp::createHypothesis (const int theDim,
       SMESH::CreateHypothesis(theTypeName, aData->Label, false);
     }
   }
+  // restore the state of toggle buttons:
+  dlg()->restoreState(dlgState);
 
   _PTR(SComponent) aFather = SMESH::GetActiveStudyDocument()->FindComponent("SMESH");