diff --git a/__init__.py b/__init__.py
index 3e64526dff..1ccdb5597c 100644
--- a/__init__.py
+++ b/__init__.py
@@ -1,4 +1,4 @@
 #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 price_list import *
+from .price_list import *
diff --git a/tests/__init__.py b/tests/__init__.py
index 2e7e39b6a9..b481128528 100644
--- a/tests/__init__.py
+++ b/tests/__init__.py
@@ -1,4 +1,4 @@
 #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_product_price_list import suite
+from .test_product_price_list import suite