diff --git a/ihatemoney/tests/budget_test.py b/ihatemoney/tests/budget_test.py
index 91e4a627..460036dc 100644
--- a/ihatemoney/tests/budget_test.py
+++ b/ihatemoney/tests/budget_test.py
@@ -10,6 +10,7 @@ from flask import session
 from werkzeug.security import check_password_hash, generate_password_hash
 
 from ihatemoney import models
+from ihatemoney.currency_convertor import CurrencyConverter
 from ihatemoney.tests.common.ihatemoney_testcase import IhatemoneyTestCase
 from ihatemoney.versioning import LoggingMode