diff --git a/src/StdMeshers/StdMeshers_LayerDistribution.cxx b/src/StdMeshers/StdMeshers_LayerDistribution.cxx
index 6304e6dc5..8212547e9 100644
--- a/src/StdMeshers/StdMeshers_LayerDistribution.cxx
+++ b/src/StdMeshers/StdMeshers_LayerDistribution.cxx
@@ -94,6 +94,7 @@ void StdMeshers_LayerDistribution::SetLayerDistribution(SMESH_Hypothesis* hyp1D)
 
 ostream & StdMeshers_LayerDistribution::SaveTo(ostream & save)
 {
+  save << "StdMeshers_LayerDistribution"; // just to enable "Edit" in pop-up menu
   return save;
 }
 
diff --git a/src/StdMeshersGUI/StdMeshersGUI_LayerDistributionParamWdg.cxx b/src/StdMeshersGUI/StdMeshersGUI_LayerDistributionParamWdg.cxx
index 6c7e9b18b..5317368ea 100644
--- a/src/StdMeshersGUI/StdMeshersGUI_LayerDistributionParamWdg.cxx
+++ b/src/StdMeshersGUI/StdMeshersGUI_LayerDistributionParamWdg.cxx
@@ -207,7 +207,11 @@ void StdMeshersGUI_LayerDistributionParamWdg::onEdit()
   if ( !editor ) return;
 
   if ( myDlg )
-    myDlg->hide();
+  {
+    //myDlg->hide(); -- pb: show() does not work
+    myDlg->setWindowTitle( tr( "SMESH_HYPOTHESIS" ));
+    myDlg->setEnabled(false);
+  }
 
   try {
     QWidget* parent = this;
@@ -223,5 +227,8 @@ void StdMeshersGUI_LayerDistributionParamWdg::onEdit()
 void StdMeshersGUI_LayerDistributionParamWdg::onEdited( int result )
 {
   if ( myDlg )
-    myDlg->show();
+  {
+    //myDlg->show(); does not work
+    myDlg->setEnabled(true);
+  }
 }