diff --git a/app/scodoc/sco_edt_cal.py b/app/scodoc/sco_edt_cal.py
index e81ac838..be011204 100644
--- a/app/scodoc/sco_edt_cal.py
+++ b/app/scodoc/sco_edt_cal.py
@@ -42,7 +42,6 @@ from flask import g, url_for
 from app import log
 from app.auth.models import User
 from app.models import FormSemestre, GroupDescr, ModuleImpl, ScoDocSiteConfig
-from app.scodoc.html_sidebar import retreive_formsemestre_from_request
 from app.scodoc.sco_exceptions import ScoValueError
 import app.scodoc.sco_utils as scu
 
@@ -232,11 +231,10 @@ def translate_calendar(
         }
         if modimpl:
              params["moduleimpl_id"] = modimpl.id
-        else:
-             params["formsemestre_id"] = retreive_formsemestre_from_request()
+        elif group:
+             params["formsemestre_id"] = group.partition.formsemestre_id
 
-        # Génération de l'URL si group et l'un des deux (modimpl ou formsem) sont définis
-        url_abs = (    
+        url_abs = (
             url_for("assiduites.signal_assiduites_group", **params)
               if group
               else None