diff --git a/external/ezfio b/external/ezfio
index d02132ea..dba01c4f 160000
--- a/external/ezfio
+++ b/external/ezfio
@@ -1 +1 @@
-Subproject commit d02132ea79217c16fd24242e8f8b8a6c3ff68091
+Subproject commit dba01c4fe0ff7b84c5ecfb1c7c77ec68781311b3
diff --git a/ocaml/qp_create_ezfio.ml b/ocaml/qp_create_ezfio.ml
index 9e58a18f..bc36593e 100644
--- a/ocaml/qp_create_ezfio.ml
+++ b/ocaml/qp_create_ezfio.ml
@@ -131,7 +131,8 @@ let run ?o b au c d m p cart xyz_file =
             let key =
               Element.to_string elem.Atom.element
             in
-            Hashtbl.add basis_table key new_channel
+            if not (Hashtbl.mem basis_table key) then
+              Hashtbl.add basis_table key new_channel
           ) nuclei
         end
       | Some (key, basis) -> (*Aux basis *)