diff --git a/Lab/demo/Lab/Plugins/IO/OM_io_plugin.cpp b/Lab/demo/Lab/Plugins/IO/OM_io_plugin.cpp
index 6b08185ab4d2..ab81338bf068 100644
--- a/Lab/demo/Lab/Plugins/IO/OM_io_plugin.cpp
+++ b/Lab/demo/Lab/Plugins/IO/OM_io_plugin.cpp
@@ -181,13 +181,13 @@ save(QFileInfo fileinfo, QList<CGAL::Three::Scene_item*>& items)
               , *sm_item->face_graph()
               , CGAL::parameters::vertex_is_constrained_map(selection_item->constrained_vertices_pmap())
               .edge_is_constrained_map(selection_item->constrained_edges_pmap())
-              .stream_precision(18));
+              .stream_precision(17));
   }
   else
   {
     res = CGAL::IO::write_OM((const char*)fileinfo.filePath().toUtf8()
               , *sm_item->face_graph()
-              , CGAL::parameters::stream_precision(18));
+              , CGAL::parameters::stream_precision(17));
   }
 
   if (res)