diff --git a/app/scodoc/sco_liste_notes.py b/app/scodoc/sco_liste_notes.py
index f19c95680..dace96b0b 100644
--- a/app/scodoc/sco_liste_notes.py
+++ b/app/scodoc/sco_liste_notes.py
@@ -201,6 +201,7 @@ def do_evaluation_listenotes(
         note_sur_20 = tf[2]["note_sur_20"]
         hide_groups = tf[2]["hide_groups"]
         with_emails = tf[2]["with_emails"]
+        group_ids = [x for x in tf[2]["group_ids"] if x != ""]
         return (
             _make_table_notes(
                 tf[1],
@@ -208,7 +209,7 @@ def do_evaluation_listenotes(
                 format=format,
                 note_sur_20=note_sur_20,
                 anonymous_listing=anonymous_listing,
-                group_ids=tf[2]["group_ids"],
+                group_ids=group_ids,
                 hide_groups=hide_groups,
                 with_emails=with_emails,
                 mode=mode,