diff --git a/app/but/jury_but.py b/app/but/jury_but.py
index 14b496003..957873f2e 100644
--- a/app/but/jury_but.py
+++ b/app/but/jury_but.py
@@ -82,6 +82,7 @@ from app.models import Evaluation, ModuleImpl, Scolog, ScolarAutorisationInscrip
 from app.models.but_validations import (
     ApcValidationAnnee,
     ApcValidationRCUE,
+    ValidationDUT120,
 )
 from app.models.etudiants import Identite
 from app.models.formations import Formation
@@ -760,13 +761,13 @@ class DecisionsProposeesAnnee(DecisionsProposees):
                     self.validation.date = datetime.now()
 
                 db.session.add(self.validation)
-                db.session.commit()
                 log(f"Recording {self}: {code}")
                 Scolog.logdb(
                     method="jury_but",
                     etudid=self.etud.id,
                     msg=f"Validation année BUT{self.annee_but}: {code}",
                 )
+                db.session.commit()
             if mark_recorded:
                 self.recorded = True
         self.invalidate_formsemestre_cache()
@@ -903,6 +904,8 @@ class DecisionsProposeesAnnee(DecisionsProposees):
         Si only_one_sem, n'efface que les décisions UE et les
         autorisations de passage du semestre d'origine du deca.
 
+        Efface les validations de DUT120 issues du semestre d'origine du deca.
+
         Dans tous les cas, efface les validations de l'année en cours.
         (commite la session.)
         """
@@ -952,6 +955,17 @@ class DecisionsProposeesAnnee(DecisionsProposees):
                 msg=f"Validation année BUT{self.annee_but}: effacée",
             )
 
+        # Efface les validations de DUT120 issues du semestre d'origine du deca.
+        for validation in ValidationDUT120.query.filter_by(
+            etudid=self.etud.id, formsemestre_id=self.formsemestre.id
+        ):
+            db.session.delete(validation)
+            Scolog.logdb(
+                "jury_but",
+                etudid=self.etud.id,
+                msg="Validation DUT120 effacée",
+            )
+
         # Efface éventuelles validations de semestre
         # (en principe inutilisées en BUT)
         # et autres UEs (en cas de changement d'architecture de formation depuis le jury ?)
@@ -1214,13 +1228,12 @@ class DecisionsProposeesRCUE(DecisionsProposees):
                 code=code,
             )
             db.session.add(self.validation)
-            db.session.commit()
             Scolog.logdb(
                 method="jury_but",
                 etudid=self.etud.id,
                 msg=f"Validation {self.rcue}: {code}",
-                commit=True,
             )
+            db.session.commit()
             log(f"rcue.record {self}: {code}")
 
             # Modifie au besoin les codes d'UE
@@ -1633,13 +1646,12 @@ class DecisionsProposeesUE(DecisionsProposees):
                 moy_ue=self.moy_ue,
             )
             db.session.add(self.validation)
-            db.session.commit()
             Scolog.logdb(
                 method="jury_but",
                 etudid=self.etud.id,
                 msg=f"Validation UE {self.ue.id} {self.ue.acronyme}({self.moy_ue}): {code}",
-                commit=True,
             )
+            db.session.commit()
             log(f"DecisionsProposeesUE: recording {self.validation}")
 
         sco_cache.invalidate_formsemestre(formsemestre_id=self.formsemestre.id)
diff --git a/app/but/jury_dut120.py b/app/but/jury_dut120.py
index 000314e80..de272d8c0 100644
--- a/app/but/jury_dut120.py
+++ b/app/but/jury_dut120.py
@@ -18,9 +18,7 @@ from wtforms import SubmitField
 from app import db, log
 from app.but import cursus_but
 from app.decorators import scodoc, permission_required
-from app.models.but_validations import ValidationDUT120
-from app.models.etudiants import Identite
-from app.models.formsemestre import FormSemestre
+from app.models import FormSemestre, Identite, Scolog, ValidationDUT120
 from app.scodoc.sco_exceptions import ScoPermissionDenied, ScoValueError
 from app.scodoc.sco_permissions import Permission
 from app.views import notes_bp as bp
@@ -71,7 +69,7 @@ def validate_dut120_etud(etudid: int, formsemestre_id: int):
     form = ValidationDUT120Form()
     # Check if ValidationDUT120 instance already exists
     existing_validation = ValidationDUT120.query.filter_by(
-        etudid=etudid, referentiel_competence_id=refcomp.id
+        etudid=etud.id, referentiel_competence_id=refcomp.id
     ).first()
     if existing_validation:
         flash("DUT120 déjà validé", "info")
@@ -85,11 +83,16 @@ def validate_dut120_etud(etudid: int, formsemestre_id: int):
 
     if etud_can_validate_dut and request.method == "POST" and form.validate_on_submit():
         new_validation = ValidationDUT120(
-            etudid=etudid,
+            etudid=etud.id,
             referentiel_competence_id=refcomp.id,
             formsemestre_id=formsemestre.id,  # Replace with appropriate value
         )
         db.session.add(new_validation)
+        Scolog.logdb(
+            "jury_but",
+            etudid=etud.id,
+            msg=f"Validation DUT120 enregistrée depuis S{formsemestre.semestre_id}",
+        )
         db.session.commit()
         log(f"ValidationDUT120 enregistrée pour {etud} depuis {formsemestre}")
         flash("Validation DUT120 enregistrée", "success")
diff --git a/app/models/validations.py b/app/models/validations.py
index 1e19092eb..8595b3d2f 100644
--- a/app/models/validations.py
+++ b/app/models/validations.py
@@ -186,7 +186,7 @@ class ScolarAutorisationInscription(db.Model):
         origin_formsemestre_id: int,
         semestre_id: int,
     ):
-        """Ajoute une autorisation"""
+        """Ajoute une autorisation (don't commit)"""
         autorisation = cls(
             etudid=etudid,
             formation_code=formation_code,