diff --git a/app/auth/models.py b/app/auth/models.py
index 866f08ff82..c7ef016ddd 100644
--- a/app/auth/models.py
+++ b/app/auth/models.py
@@ -339,7 +339,7 @@ class User(UserMixin, db.Model):
         """string repr. of user's roles (with depts)
         e.g. "Ens_RT, Ens_Info, Secr_CJ"
         """
-        return ",".join(
+        return ", ".join(
             f"{r.role.name or ''}_{r.dept or ''}"
             for r in self.user_roles
             if r is not None
diff --git a/app/scodoc/sco_users.py b/app/scodoc/sco_users.py
index 9fb9331ec1..f9bd569224 100644
--- a/app/scodoc/sco_users.py
+++ b/app/scodoc/sco_users.py
@@ -213,15 +213,6 @@ def get_user_list(dept=None, with_inactives=False):
     return q.order_by(User.nom, User.user_name).all()
 
 
-def _user_list(user_name):
-    "return user as a dict"
-    u = User.query.filter_by(user_name=user_name).first()
-    if u:
-        return u.to_dict()
-    else:
-        return None
-
-
 @cache.memoize(timeout=50)  # seconds
 def user_info(user_name_or_id=None, user: User = None):
     """Dict avec infos sur l'utilisateur (qui peut ne pas etre dans notre base).
diff --git a/app/static/css/scodoc.css b/app/static/css/scodoc.css
index c0830343ca..e32ff65b53 100644
--- a/app/static/css/scodoc.css
+++ b/app/static/css/scodoc.css
@@ -3547,14 +3547,17 @@ table.table_listegroupe tr td {
   padding-right: 0.5em;
 }
 
-table.list_users td.roles {
-  width: 22em;
-}
-
 table.list_users td.date_modif_passwd {
   white-space: nowrap;
 }
 
+table.list_users td.roles_string,
+table.list_users th.roles_string {
+  word-wrap: break-word;
+  overflow-wrap: break-word;
+}
+
+
 table.formsemestre_description tr.table_row_ue td {
   font-weight: bold;
 }