diff --git a/sql/import.sql b/sql/import.sql
index e852b44..1be471d 100644
--- a/sql/import.sql
+++ b/sql/import.sql
@@ -106,13 +106,21 @@ INSERT INTO scopes (id, name, active)
     FROM ( SELECT DISTINCT ON (acp_scopes) acp_scopes1 FROM import.choix_periodes WHERE acp_scopes1 IS NOT NULL ) t
     WHERE NOT EXISTS ( SELECT 1 FROM scopes WHERE name::jsonb = t.acp_scopes1 );
 
-
+-- 12. Complete referrers
+INSERT INTO users (id, username, password, enabled, locked, attributes, label)
+    SELECT nextval('users_id_seq'), t.referrer, '', false, false, '[]', t.referrer
+    FROM ( SELECT DISTINCT ON (referrer) referrer FROM import.choix_periodes WHERE referrer <> '') t
+    WHERE NOT EXISTS ( SELECT 1 FROM users WHERE username::text = t.referrer );
 
 
 --
 -- DOWN
 --
 
+-- Undo 12.
+DELETE FROM users USING import.choix_periodes icp WHERE users.username::text = icp.referrer::text AND users.password = '' AND users.enabled = false;
+SELECT setval('users_id_seq', (SELECT COALESCE(max(id),1) FROM users));
+
 -- Undo 11.
 DELETE FROM scopes USING import.choix_periodes icp WHERE scopes.name::jsonb = icp.acp_scopes1::jsonb;
 SELECT setval('scopes_id_seq', (SELECT max(id) FROM scopes));