diff --git a/app/scodoc/html_sco_header.py b/app/scodoc/html_sco_header.py
index 8ce3d2cdd7..6d128fd85f 100644
--- a/app/scodoc/html_sco_header.py
+++ b/app/scodoc/html_sco_header.py
@@ -250,6 +250,9 @@ def sco_header(
             '<link rel="stylesheet" type="text/css" href="/ScoDoc/static/DataTables/datatables.min.css"/>'
         )
         H.append('<script src="/ScoDoc/static/DataTables/datatables.min.js"></script>')
+    # H.append(
+    #    '<link href="/ScoDoc/static/css/tooltip.css" rel="stylesheet" type="text/css" />'
+    # )
     # JS additionels
     for js in javascripts:
         H.append("""<script src="/ScoDoc/static/%s"></script>\n""" % js)
diff --git a/app/scodoc/sco_formsemestre_status.py b/app/scodoc/sco_formsemestre_status.py
index 11e665d92d..ae9ce543da 100644
--- a/app/scodoc/sco_formsemestre_status.py
+++ b/app/scodoc/sco_formsemestre_status.py
@@ -1170,8 +1170,10 @@ def formsemestre_tableau_modules(
             H.append('<tr class="formsemestre_status%s">' % fontorange)
 
         H.append(
-            '<td class="formsemestre_status_code"><a href="moduleimpl_status?moduleimpl_id=%s" title="%s" class="stdlink">%s</a></td>'
-            % (modimpl["moduleimpl_id"], mod_descr, mod.code)
+            f"""<td class="formsemestre_status_code""><a
+            href="{url_for('notes.moduleimpl_status',
+                scodoc_dept=g.scodoc_dept, moduleimpl_id=modimpl['moduleimpl_id'])}"
+            title="{mod_descr}" class="stdlink">{mod.code}</a></td>"""
         )
         H.append(
             '<td class="scotext"><a href="moduleimpl_status?moduleimpl_id=%s" title="%s" class="formsemestre_status_link">%s</a></td>'
diff --git a/app/scodoc/sco_up_to_date.py b/app/scodoc/sco_up_to_date.py
index 152b05691f..6404ef0ed7 100644
--- a/app/scodoc/sco_up_to_date.py
+++ b/app/scodoc/sco_up_to_date.py
@@ -33,6 +33,8 @@ import json
 import requests
 import time
 from flask import current_app
+
+from app import log
 import app.scodoc.sco_utils as scu
 from sco_version import SCOVERSION, SCONAME
 
@@ -43,7 +45,7 @@ def is_up_to_date() -> str:
     """
     diag = ""
     try:
-        response = requests.get(scu.SCO_UP2DATE)
+        response = requests.get(scu.SCO_UP2DATE + "/" + SCOVERSION)
     except requests.exceptions.ConnectionError:
         current_app.logger.debug("is_up_to_date: %s", diag)
         return f"""<div>Attention: installation de {SCONAME} non fonctionnelle.</div>
@@ -60,7 +62,6 @@ def is_up_to_date() -> str:
         <a href="https://scodoc.org/GuideInstallDebian11/#informations-sur-les-flux-reseau">voir la documentation</a>.
         </div>
         """
-
     if response.status_code != 200:
         current_app.logger.debug(
             f"is_up_to_date: invalid response code ({response.status_code})"
@@ -75,12 +76,16 @@ def is_up_to_date() -> str:
         return f"""<div>Attention: réponse invalide de {scu.SCO_WEBSITE}</div>
         <div>(erreur json).</div>"""
 
-    # nb: si de nouveaux paquets sont publiés chaque jour, le décalage ne sera jamais signalé.
-    # mais en régime "normal", on aura une alerte après 24h sans mise à jour.
-    days_since_last_package = (time.time() - infos["publication_time"]) / (24 * 60 * 60)
-    if (infos["version"] != SCOVERSION) and (days_since_last_package > 1.0):
+    if infos["status"] != "ok":
+        # problème coté serveur, ignore discrètement
+        log(f"is_up_to_date: server {infos['status']}")
+        return ""
+    if (SCOVERSION != infos["last_version"]) and (
+        (time.time() - infos["last_version_date"]) > (24 * 60 * 60)
+    ):
+        # nouvelle version publiée depuis plus de 24h !
         return f"""<div>Attention: {SCONAME} version ({SCOVERSION}) non à jour
-            ({infos["version"]} disponible).</div>
+            ({infos["last_version"]} disponible).</div>
             <div>Contacter votre administrateur système
             (<a href="https://scodoc.org/MisesAJour/">documentation</a>).
             </div>
diff --git a/app/scodoc/sco_utils.py b/app/scodoc/sco_utils.py
index 03e02cbf6a..6df7ed6ebb 100644
--- a/app/scodoc/sco_utils.py
+++ b/app/scodoc/sco_utils.py
@@ -361,7 +361,7 @@ SCO_DEV_MAIL = "emmanuel.viennet@gmail.com"  # SVP ne pas changer
 # Adresse pour l'envoi des dumps (pour assistance technnique):
 #   ne pas changer (ou vous perdez le support)
 SCO_DUMP_UP_URL = "https://scodoc.org/scodoc-installmgr/upload-dump"
-SCO_UP2DATE = "https://scodoc.org/scodoc-installmgr/last_stable_version"
+SCO_UP2DATE = "https://scodoc.org/scodoc-installmgr/check_version"
 CSV_FIELDSEP = ";"
 CSV_LINESEP = "\n"
 CSV_MIMETYPE = "text/comma-separated-values"
diff --git a/app/static/css/scodoc.css b/app/static/css/scodoc.css
index d8a7249c4b..6c0b06b8fe 100644
--- a/app/static/css/scodoc.css
+++ b/app/static/css/scodoc.css
@@ -2884,7 +2884,7 @@ div.othersemlist input {
 
 
 div#update_warning {
-    /* display: none; */
+    display: none;
     border: 1px solid red;
     background-color: rgb(250,220,220);
     margin: 3ex;
diff --git a/app/static/js/scodoc.js b/app/static/js/scodoc.js
index b1c15017e7..7cb5bb6265 100644
--- a/app/static/js/scodoc.js
+++ b/app/static/js/scodoc.js
@@ -58,7 +58,12 @@ $(function () {
     if (update_div) {
         fetch('install_info').then(
             response => response.text()
-        ).then(text => update_div.innerHTML = text);
+        ).then(text => {
+            update_div.innerHTML = text;
+            if (text) {
+                update_div.style.display = "block";
+            }
+        });
     }
 });
 
diff --git a/app/templates/sco_page.html b/app/templates/sco_page.html
index e1aa9e3c50..f1590302a1 100644
--- a/app/templates/sco_page.html
+++ b/app/templates/sco_page.html
@@ -9,6 +9,7 @@
 <link href="/ScoDoc/static/css/menu.css" rel="stylesheet" type="text/css" />
 <link href="/ScoDoc/static/css/gt_table.css" rel="stylesheet" type="text/css" />
 <link type="text/css" rel="stylesheet" href="/ScoDoc/static/libjs/qtip/jquery.qtip-3.0.3.min.css" />
+{# <link href="/ScoDoc/static/css/tooltip.css" rel="stylesheet" type="text/css" /> #}
 <link rel="stylesheet" type="text/css" href="/ScoDoc/static/DataTables/datatables.min.css" />
 {% endblock %}