diff --git a/app/scodoc/sco_formsemestre_status.py b/app/scodoc/sco_formsemestre_status.py
index 78338f33f..db7143e13 100755
--- a/app/scodoc/sco_formsemestre_status.py
+++ b/app/scodoc/sco_formsemestre_status.py
@@ -58,12 +58,13 @@ from app.scodoc.sco_permissions import Permission
 import app.scodoc.sco_utils as scu
 from app.scodoc.sco_utils import ModuleType
 
+from app.scodoc import codes_cursus
 from app.scodoc import html_sco_header
 from app.scodoc import htmlutils
 from app.scodoc import sco_archives_formsemestre
 from app.scodoc import sco_assiduites as scass
 from app.scodoc import sco_bulletins
-from app.scodoc import codes_cursus
+from app.scodoc import sco_cache
 from app.scodoc import sco_evaluations
 from app.scodoc import sco_formations
 from app.scodoc import sco_formsemestre
@@ -1472,8 +1473,9 @@ def formsemestre_note_etuds_sans_notes(
     if request.method == "POST":
         if not code in ("ATT", "EXC", "ABS"):
             raise ScoValueError("code invalide: doit être ATT, ABS ou EXC")
-        for etud in etuds:
-            formsemestre.etud_set_all_missing_notes(etud, code)
+        with sco_cache.DeferredSemCacheManager():
+            for etud in etuds:
+                formsemestre.etud_set_all_missing_notes(etud, code)
         flash(f"Notes de {len(etuds)} étudiants affectées à {code}")
         return redirect(
             url_for(