diff --git a/app/scodoc/sco_formsemestre_status.py b/app/scodoc/sco_formsemestre_status.py
index abd019c9c..19ef67dfb 100644
--- a/app/scodoc/sco_formsemestre_status.py
+++ b/app/scodoc/sco_formsemestre_status.py
@@ -261,7 +261,7 @@ def formsemestre_status_menubar(context, sem, REQUEST):
     if current_app.config["ENV"] == "development":
         menuSemestre.append(
             {
-                "title": "Check integrity",
+                "title": "Vérifier l'intégrité",
                 "endpoint": "notes.check_sem_integrity",
                 "args": {"formsemestre_id": formsemestre_id},
                 "enabled": True,
diff --git a/app/views/notes.py b/app/views/notes.py
index 3b214c482..f5e95d35b 100644
--- a/app/views/notes.py
+++ b/app/views/notes.py
@@ -2410,9 +2410,9 @@ sco_publish(
 
 
 @bp.route("/check_sem_integrity")
-@permission_required(Permission.ScoView)
+@permission_required(Permission.ScoImplement)
 @scodoc7func(context)
-def check_sem_integrity(context, formsemestre_id, REQUEST):
+def check_sem_integrity(context, formsemestre_id, REQUEST, fix=False):
     """Debug.
     Check that ue and module formations are consistents
     """
@@ -2423,11 +2423,14 @@ def check_sem_integrity(context, formsemestre_id, REQUEST):
     )
     bad_ue = []
     bad_sem = []
+    formations_set = set()  # les formations mentionnées dans les UE et modules
     for modimpl in modimpls:
         mod = sco_edit_module.do_module_list(
             context, {"module_id": modimpl["module_id"]}
         )[0]
+        formations_set.add(mod["formation_id"])
         ue = sco_edit_ue.do_ue_list(context, {"ue_id": mod["ue_id"]})[0]
+        formations_set.add(ue["formation_id"])
         if ue["formation_id"] != mod["formation_id"]:
             modimpl["mod"] = mod
             modimpl["ue"] = ue
@@ -2436,15 +2439,46 @@ def check_sem_integrity(context, formsemestre_id, REQUEST):
             bad_sem.append(modimpl)
             modimpl["mod"] = mod
 
-    return (
-        html_sco_header.sco_header(context, REQUEST=REQUEST)
-        + "<p>formation_id=%s" % sem["formation_id"]
-        + "<h2>Inconsistent UE/MOD:</h2>"
-        + "<br/>".join([str(x) for x in bad_ue])
-        + "<h2>Inconsistent SEM/MOD:</h2>"
-        + "<br/>".join([str(x) for x in bad_sem])
-        + html_sco_header.sco_footer(context, REQUEST)
-    )
+    H = [
+        html_sco_header.sco_header(context, REQUEST=REQUEST),
+        "<p>formation_id=%s" % sem["formation_id"],
+    ]
+    if bad_ue:
+        H += [
+            "<h2>Modules d'une autre formation que leur UE:</h2>",
+            "<br/>".join([str(x) for x in bad_ue]),
+        ]
+    if bad_sem:
+        H += [
+            "<h2>Module du semestre dans une autre formation:</h2>",
+            "<br/>".join([str(x) for x in bad_sem]),
+        ]
+    if not bad_ue and not bad_sem:
+        H.append("<p>Aucun problème à signaler !</p>")
+    else:
+        log("check_sem_integrity: problem detected: formations_set=%s" % formations_set)
+        if sem["formation_id"] in formations_set:
+            formations_set.remove(sem["formation_id"])
+        if len(formations_set) == 1:
+            if fix:
+                log("check_sem_integrity: trying to fix %s" % formsemestre_id)
+                formation_id = formations_set.pop()
+                if sem["formation_id"] != formation_id:
+                    sem["formation_id"] = formation_id
+                    sco_formsemestre.do_formsemestre_edit(context, sem)
+                H.append("""<p class="alert">Problème réparé: vérifiez</p>""")
+            else:
+                H.append(
+                    """
+                <p class="alert">Problème détecté réparable: 
+                <a href="check_sem_integrity?formsemestre_id=%s&fix=1">réparer maintenant</a></p>
+                """
+                    % (formsemestre_id,)
+                )
+        else:
+            H.append("""<p class="alert">Problème détecté !</p>""")
+
+    return "\n".join(H) + html_sco_header.sco_footer(context, REQUEST)
 
 
 @bp.route("/check_form_integrity")