diff --git a/gestion/annuaires_pg.py b/gestion/annuaires_pg.py
index ad091b37..2c68000d 100755
--- a/gestion/annuaires_pg.py
+++ b/gestion/annuaires_pg.py
@@ -15,6 +15,7 @@ try:
     cur.execute("SELECT DISTINCT batiment FROM prises")
     bat_switchs = [i[0] for i in cur.fetchall()]
     cur.close()
+    del cur
 except psycopg2.OperationalError:
     bat_switchs = ["a", "b", "c", "g", "h", "i", "j", "m", "o", "p"]