diff --git a/src/RepairGUI/RepairGUI_GlueDlg.cxx b/src/RepairGUI/RepairGUI_GlueDlg.cxx
index d723e1e80..8bb8c41ae 100644
--- a/src/RepairGUI/RepairGUI_GlueDlg.cxx
+++ b/src/RepairGUI/RepairGUI_GlueDlg.cxx
@@ -637,6 +637,10 @@ void RepairGUI_GlueDlg::onDetect()
     return;
   }
 
+  buttonOk->setEnabled( false );
+  buttonApply->setEnabled( false );
+  globalSelection( GEOM_ALLSHAPES );
+
   GEOM::ListOfGO_var aList = GEOM::GEOM_IShapesOperations::_narrow
     ( getOperation() )->GetGlueFaces( myObject, myTolEdt2->value() );