diff --git a/app/scodoc/sco_edit_ue.py b/app/scodoc/sco_edit_ue.py
index dd95dfd37..e86dc3551 100644
--- a/app/scodoc/sco_edit_ue.py
+++ b/app/scodoc/sco_edit_ue.py
@@ -983,7 +983,9 @@ du programme" (menu "Semestre") si vous avez un semestre en cours);
         </li>
         <li><a class="stdlink" href="{
             url_for('notes.formation_tag_modules_by_type', scodoc_dept=g.scodoc_dept,
-                formation_id=formation_id, semestre_idx=semestre_idx)
+                formation_id=formation_id,
+                semestre_idx=1 if semestre_idx is None else semestre_idx
+                )
             }">Tagguer tous les modules par leur type</a> (tag <tt>res</tt>, <tt>sae</tt>).
         </li>
         <li><a class="stdlink" href="{