diff --git a/app/scodoc/sco_archives_justificatifs.py b/app/scodoc/sco_archives_justificatifs.py
index 14a779bf..c6dbd447 100644
--- a/app/scodoc/sco_archives_justificatifs.py
+++ b/app/scodoc/sco_archives_justificatifs.py
@@ -12,11 +12,14 @@ from app.scodoc.sco_archives import BaseArchiver
 from app.scodoc.sco_exceptions import ScoValueError
 from app.scodoc.sco_utils import is_iso_formated
 
+from app import log
+
 
 class Trace:
     """gestionnaire de la trace des fichiers justificatifs"""
 
     def __init__(self, path: str) -> None:
+        log(f"init Trace {path}")
         self.path: str = path + "/_trace.csv"
         self.content: dict[str, list[datetime, datetime, str]] = {}
         self.import_from_file()
@@ -45,7 +48,7 @@ class Trace:
             if fname in modes:
                 continue
             traced: list[datetime, datetime, str] = self.content.get(fname, False)
-            if not traced:
+            if not traced or mode == "entry":
                 self.content[fname] = [None, None, None]
                 traced = self.content[fname]
 
@@ -123,8 +126,8 @@ class JustificatifArchiver(BaseArchiver):
             )
 
         fname: str = self.store(archive_id, filename, data, dept_id=etud.dept_id)
-
-        trace = Trace(self.get_obj_dir(etud.id, dept_id=etud.dept_id))
+        log(f"obj_dir {self.get_obj_dir(etud.id, dept_id=etud.dept_id)} | {archive_id}")
+        trace = Trace(archive_id)
         trace.set_trace(fname, mode="entry")
         if user_id is not None:
             trace.set_trace(fname, mode="user_id", current_user=user_id)
@@ -162,13 +165,13 @@ class JustificatifArchiver(BaseArchiver):
 
             if os.path.isfile(path):
                 if has_trace:
-                    trace = Trace(self.get_obj_dir(etud.id, dept_id=etud.dept_id))
+                    trace = Trace(archive_id)
                     trace.set_trace(filename, mode="delete")
                 os.remove(path)
 
         else:
             if has_trace:
-                trace = Trace(self.get_obj_dir(etud.id, dept_id=etud.dept_id))
+                trace = Trace(archive_id)
                 trace.set_trace(
                     *self.list_archive(archive_id, dept_id=etud.dept_id), mode="delete"
                 )
@@ -190,7 +193,7 @@ class JustificatifArchiver(BaseArchiver):
         archive_id = self.get_id_from_name(etud.id, archive_name, dept_id=etud.dept_id)
 
         filenames = self.list_archive(archive_id, dept_id=etud.dept_id)
-        trace: Trace = Trace(self.get_obj_dir(etud.id, dept_id=etud.dept_id))
+        trace: Trace = Trace(archive_id)
         traced = trace.get_trace(filenames)
         retour = [(key, value[2]) for key, value in traced.items()]
 
@@ -222,10 +225,3 @@ class JustificatifArchiver(BaseArchiver):
             rmtree(self.root, ignore_errors=True)
         else:
             rmtree(os.path.join(self.root, str(dept_id)), ignore_errors=True)
-
-    def get_trace(  # XXX inutilisée ?
-        self, etud: Identite, *fnames: str
-    ) -> dict[str, list[datetime, datetime]]:
-        """Récupère la trace des justificatifs de l'étudiant"""
-        trace = Trace(self.get_obj_dir(etud.id, etud.dept_id))
-        return trace.get_trace(fnames)
diff --git a/app/templates/assiduites/pages/ajout_justificatif.j2 b/app/templates/assiduites/pages/ajout_justificatif.j2
index 19e512fd..bef71862 100644
--- a/app/templates/assiduites/pages/ajout_justificatif.j2
+++ b/app/templates/assiduites/pages/ajout_justificatif.j2
@@ -8,7 +8,7 @@
         {% include "assiduites/widgets/tableau_justi.j2" %}
     </section>
 
-    <section class="justi-form">
+    <section class="justi-form page">
 
         <fieldset>
             <div class="justi-row">
@@ -130,7 +130,7 @@
     }
 
     function fieldsToJustificatif() {
-        const field = document.querySelector('.justi-form')
+        const field = document.querySelector('.justi-form.page')
 
         const { deb, fin } = getDates()
 
@@ -230,9 +230,9 @@
     }
 
     function getDates() {
-        if (document.getElementById('justi_journee').checked) {
-            const date_str_deb = document.getElementById("justi_date_debut").value
-            const date_str_fin = document.getElementById("justi_date_debut").value
+        if (document.querySelector('.page #justi_journee').checked) {
+            const date_str_deb = document.querySelector(".page #justi_date_debut").value
+            const date_str_fin = document.querySelector(".page #justi_date_debut").value
 
 
 
@@ -243,8 +243,8 @@
         }
 
         return {
-            "deb": document.getElementById("justi_date_debut").value,
-            "fin": document.getElementById("justi_date_fin").value,
+            "deb": document.querySelector(".page #justi_date_debut").value,
+            "fin": document.querySelector(".page #justi_date_fin").value,
         }
     }