diff --git a/tests/web/api.me.preferences.test.ts b/tests/web/api.me.preferences.test.ts
index 3e3d65e..da1fe42 100644
--- a/tests/web/api.me.preferences.test.ts
+++ b/tests/web/api.me.preferences.test.ts
@@ -4,7 +4,7 @@ import { mkdtempSync, rmSync } from 'fs';
 import { tmpdir } from 'os';
 import { join } from 'path';
 import { startWebServer } from './helpers/server';
-import { initializeDatabase } from '../../src/db';
+import { initializeDatabase, ensureUserExists } from '../../src/db';
 
 async function sha256Hex(input: string): Promise<string> {
 	const enc = new TextEncoder().encode(input);
@@ -32,6 +32,7 @@ describe('Web API - GET /api/me/preferences', () => {
 		// Inicializar DB en archivo (como en prod)
 		const db = new Database(dbPath);
 		initializeDatabase(db);
+		ensureUserExists(userId, db);
 
 		// Crear sesión válida
 		const sid = 'sid-test-pref';