diff --git a/app/scodoc/sco_formsemestre_edit.py b/app/scodoc/sco_formsemestre_edit.py
index 5a776c35..399cf05d 100644
--- a/app/scodoc/sco_formsemestre_edit.py
+++ b/app/scodoc/sco_formsemestre_edit.py
@@ -28,7 +28,7 @@
 """Form choix modules / responsables et creation formsemestre
 """
 import flask
-from flask import url_for, flash
+from flask import url_for, flash, redirect
 from flask import g, request
 from flask_login import current_user
 
@@ -177,10 +177,12 @@ def do_formsemestre_createwithmodules(edit=False, formsemestre: FormSemestre = N
         uid2display[u.id] = u.get_nomplogin()
     allowed_user_names = list(uid2display.values()) + [""]
     #
-    formation_id = int(vals["formation_id"])
-    formation = Formation.query.get(formation_id)
-    if formation is None:
-        raise ScoValueError("Formation inexistante !")
+    if formsemestre:
+        formation = formsemestre.formation
+    else:
+        formation_id = int(vals["formation_id"])
+        formation = Formation.query.get_or_404(formation_id)
+
     is_apc = formation.is_apc()
     if not edit:
         initvalues = {"titre": _default_sem_title(formation)}
@@ -236,7 +238,7 @@ def do_formsemestre_createwithmodules(edit=False, formsemestre: FormSemestre = N
     else:
         modules = (
             Module.query.filter(
-                Module.formation_id == formation_id, UniteEns.id == Module.ue_id
+                Module.formation_id == formation.id, UniteEns.id == Module.ue_id
             )
             .order_by(Module.module_type, UniteEns.numero, Module.numero)
             .all()
@@ -254,7 +256,7 @@ def do_formsemestre_createwithmodules(edit=False, formsemestre: FormSemestre = N
     #
     modform = [
         ("formsemestre_id", {"input_type": "hidden"}),
-        ("formation_id", {"input_type": "hidden", "default": formation_id}),
+        ("formation_id", {"input_type": "hidden", "default": formation.id}),
         (
             "date_debut",
             {
@@ -435,7 +437,7 @@ def do_formsemestre_createwithmodules(edit=False, formsemestre: FormSemestre = N
     )
     if edit:
         formtit = f"""
-        <p><a href="{url_for("notes.formsemestre_edit_uecoefs", 
+        <p><a class="stdlink" href="{url_for("notes.formsemestre_edit_uecoefs", 
             scodoc_dept=g.scodoc_dept, formsemestre_id=formsemestre.id)
         }">Modifier les coefficients des UE capitalisées</a>
         </p>
@@ -772,7 +774,7 @@ def do_formsemestre_createwithmodules(edit=False, formsemestre: FormSemestre = N
     if tf[0] == 0 or msg:
         return f"""<p>Formation <a class="discretelink" href="{
                 url_for("notes.ue_table", scodoc_dept=g.scodoc_dept, 
-                    formation_id=formation_id)
+                    formation_id=formation.id)
             }"><em>{formation.titre}</em> ({formation.acronyme}), version {
                 formation.version}, code {formation.formation_code}</a>
             </p>
@@ -1769,7 +1771,13 @@ def formsemestre_edit_uecoefs(formsemestre_id, err_ue_id=None):
     if tf[0] == 0:
         return "\n".join(H) + tf[1] + footer
     elif tf[0] == -1:
-        return "<h4>annulation</h4>"
+        return redirect(
+            url_for(
+                "notes.formsemestre_editwithmodules",
+                scodoc_dept=g.scodoc_dept,
+                formsemestre_id=formsemestre_id,
+            )
+        )
     else:
         # change values
         # 1- supprime les coef qui ne sont plus forcés
diff --git a/app/scodoc/sco_synchro_etuds.py b/app/scodoc/sco_synchro_etuds.py
index 4c05d960..2c80db6f 100644
--- a/app/scodoc/sco_synchro_etuds.py
+++ b/app/scodoc/sco_synchro_etuds.py
@@ -102,7 +102,7 @@ def formsemestre_synchro_etuds(
     if not sem["etapes"]:
         raise ScoValueError(
             """opération impossible: ce semestre n'a pas de code étape
-        (voir "<a href="formsemestre_editwithmodules?formation_id=%(formation_id)s&formsemestre_id=%(formsemestre_id)s">Modifier ce semestre</a>")
+        (voir "<a href="formsemestre_editwithmodules?formsemestre_id=%(formsemestre_id)s">Modifier ce semestre</a>")
         """
             % sem
         )
diff --git a/app/views/notes.py b/app/views/notes.py
index 8f64e589..fce8b95a 100644
--- a/app/views/notes.py
+++ b/app/views/notes.py
@@ -957,7 +957,7 @@ def edit_enseignants_form(moduleimpl_id):
     <p class="help">Pour changer le responsable du module, passez par la
     page "<a class="stdlink" href="{
         url_for("notes.formsemestre_editwithmodules", scodoc_dept=g.scodoc_dept, 
-            formation_id=sem["formation_id"], formsemestre_id=M["formsemestre_id"])
+            formsemestre_id=M["formsemestre_id"])
         }">Modification du semestre</a>",
     accessible uniquement au responsable de la formation (chef de département)
     </p>