diff --git a/app/scodoc/sco_moduleimpl_inscriptions.py b/app/scodoc/sco_moduleimpl_inscriptions.py
index 9fa261a9..93d420d0 100644
--- a/app/scodoc/sco_moduleimpl_inscriptions.py
+++ b/app/scodoc/sco_moduleimpl_inscriptions.py
@@ -527,15 +527,15 @@ def do_etud_desinscrit_ue(etudid, formsemestre_id, ue_id):
     cursor = cnx.cursor(cursor_factory=ndb.ScoDocCursor)
     cursor.execute(
         """DELETE FROM notes_moduleimpl_inscription
-    WHERE moduleimpl_inscription_id IN (
-      SELECT i.moduleimpl_inscription_id FROM
+    WHERE id IN (
+      SELECT i.id FROM
         notes_moduleimpl mi, notes_modules mod,
         notes_formsemestre sem, notes_moduleimpl_inscription i
-      WHERE sem.formsemestre_id = %(formsemestre_id)s
-      AND mi.formsemestre_id = sem.formsemestre_id
-      AND mod.module_id = mi.module_id
+      WHERE sem.id = %(formsemestre_id)s
+      AND mi.formsemestre_id = sem.id
+      AND mod.id = mi.module_id
       AND mod.ue_id = %(ue_id)s
-      AND i.moduleimpl_id = mi.moduleimpl_id
+      AND i.moduleimpl_id = mi.id
       AND i.etudid = %(etudid)s
     )
     """,