diff --git a/tests/__init__.py b/tests/__init__.py
index 5f7d084ff4..e1241c66cb 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,6 +1,6 @@
 # This file is part of Tryton.  The COPYRIGHT file at the top level of
 # this repository contains the full copyright notices and license terms.
 
-from .test_account_dunning_report import suite
+from .test_account_dunning_letter import suite
 
 __all__ = ['suite']