diff --git a/km3net_testdata/__init__.py b/km3net_testdata/__init__.py
index 9533a87c0aca6c796ba6a45ffbcbf28a77e4273b..4dace6341f13dd2d8473a41a08b4a580d3723325 100644
--- a/km3net_testdata/__init__.py
+++ b/km3net_testdata/__init__.py
@@ -4,5 +4,5 @@ from pkg_resources import get_distribution, DistributionNotFound
 version = get_distribution(__name__).version
 
 
-def testdata(*path_elements):
+def data_path(*path_elements):
     return os.path.join(*path_elements)
diff --git a/tests/test_core.py b/tests/test_core.py
index 41e0a894aa54aec060f5137a3d9c9f4bb7089e91..3280a8dfba2e34218639e552a2ea3655643ffaa5 100644
--- a/tests/test_core.py
+++ b/tests/test_core.py
@@ -2,9 +2,9 @@
 # -*- coding: utf-8 -*-
 import unittest
 
-from km3net_testdata import testdata
+from km3net_testdata import data_path
 
 
-class TestTestData(unittest.TestCase):
+class TestDataPath(unittest.TestCase):
     def test_access(self):
         assert True