diff --git a/app/scodoc/sco_formations.py b/app/scodoc/sco_formations.py
index 93d0e1fb4..7a77029ea 100644
--- a/app/scodoc/sco_formations.py
+++ b/app/scodoc/sco_formations.py
@@ -494,20 +494,18 @@ def formation_list_table(formation_id=None, args={}):
         else:
             f["date_fin_dernier_sem"] = ""
             f["annee_dernier_sem"] = ""
-        locked = formation_has_locked_sems(f["formation_id"])
+        formation: Formation = Formation.query.get_or_404(f["formation_id"])
+        locked = formation.has_locked_sems()
         #
         if locked:
             but_locked = lockicon
         else:
             but_locked = '<span class="but_placeholder"></span>'
         if editable and not locked:
-            but_suppr = (
-                '<a class="stdlink" href="formation_delete?formation_id=%s" id="delete-formation-%s">%s</a>'
-                % (
-                    f["formation_id"],
-                    f["acronyme"].lower().replace(" ", "-"),
-                    suppricon,
-                )
+            but_suppr = '<a class="stdlink" href="formation_delete?formation_id=%s" id="delete-formation-%s">%s</a>' % (
+                f["formation_id"],
+                f["acronyme"].lower().replace(" ", "-"),
+                suppricon,
             )
         else:
             but_suppr = '<span class="but_placeholder"></span>'