diff --git a/dba/patches/1.3.4.sql b/dba/patches/1.3.4.sql
index e2eb2a2b..634a6c9d 100644
--- a/dba/patches/1.3.4.sql
+++ b/dba/patches/1.3.4.sql
@@ -54,6 +54,12 @@ CREATE UNIQUE INDEX calendar_alarms_pk
 -- Tidy up after ourselves.
 DROP SEQUENCE temporary_seq;
 
+-- Add unique constraints where no other changes are needed.
+CREATE UNIQUE INDEX role_member_pk
+  ON role_member (role_no, user_no);
+CREATE UNIQUE INDEX tmp_password_pk
+  ON tmp_password (user_no, valid_until);
+
 -- http://blogs.transparent.com/polish/names-of-the-months-and-their-meaning/
 SELECT new_db_revision(1,3,4, 'Kwiecień' );