diff --git a/app/models/notes.py b/app/models/notes.py
index 9edecd0163..6da4ef5d60 100644
--- a/app/models/notes.py
+++ b/app/models/notes.py
@@ -78,14 +78,14 @@ def etud_has_notes_attente(etudid, formsemestre_id):
         """SELECT COUNT(*)
         FROM notes_notes n, notes_evaluation e, notes_moduleimpl m,
         notes_moduleimpl_inscription i
-        WHERE n.etudid = %(etudid)s
-        and n.value = %(code_attente)s
+        WHERE n.etudid = :etudid
+        and n.value = :code_attente
         and n.evaluation_id = e.id
         and e.moduleimpl_id = m.id
-        and m.formsemestre_id = %(formsemestre_id)s
+        and m.formsemestre_id = :formsemestre_id
         and e.coefficient != 0
         and m.id = i.moduleimpl_id
-        and i.etudid=%(etudid)s
+        and i.etudid = :etudid
         """,
         {
             "formsemestre_id": formsemestre_id,