diff --git a/modoboa/admin/postfix_maps.py b/modoboa/admin/postfix_maps.py
index 62b84748c..a1c58d410 100644
--- a/modoboa/admin/postfix_maps.py
+++ b/modoboa/admin/postfix_maps.py
@@ -136,16 +136,16 @@ class SenderLoginMap(object):
         "WHERE al.enabled AND al.address='%s')"
     )
     sqlite = (
-        "(SELECT email FROM core_user WHERE email='%s' AND is_active=1) "
+        "SELECT email FROM core_user WHERE email='%s' AND is_active=1 "
         "UNION "
-        "(SELECT mb.address || '@' || dom.name FROM admin_mailbox mb "
+        "SELECT mb.address || '@' || dom.name FROM admin_mailbox mb "
         "INNER JOIN admin_senderaddress sad ON sad.mailbox_id=mb.id "
         "INNER JOIN admin_domain dom ON dom.id=mb.domain_id "
-        "WHERE sad.address='%s') "
+        "WHERE sad.address='%s' "
         "UNION "
-        "(SELECT mb.address || '@' || dom.name FROM admin_mailbox mb "
-        "INNER JOIN modoboa_admin_aliasrecipient alr ON alr.r_mailbox_id=mb.id"
-        " INNER JOIN admin_domain dom ON dom.id=mb.domain_id"
-        " INNER JOIN admin_alias al ON alr.alias_id=al.id "
-        "WHERE al.enabled=1 AND al.address='%s')"
+        "SELECT mb.address || '@' || dom.name FROM admin_mailbox mb "
+        "INNER JOIN modoboa_admin_aliasrecipient alr ON alr.r_mailbox_id=mb.id "
+        "INNER JOIN admin_domain dom ON dom.id=mb.domain_id "
+        "INNER JOIN admin_alias al ON alr.alias_id=al.id "
+        "WHERE al.enabled=1 AND al.address='%s'"
     )