diff --git a/personnummer/tests/test_personnummer.py b/personnummer/tests/test_personnummer.py
index 98fb10d..470ee9f 100644
--- a/personnummer/tests/test_personnummer.py
+++ b/personnummer/tests/test_personnummer.py
@@ -9,7 +9,7 @@
 
 def get_test_data():
     response = urllib.request.urlopen(
-        'https://raw.githubusercontent.com/personnummer/meta/master/testdata/list.json')
+        'https://raw.githubusercontent.com/personnummer/meta/HEAD/testdata/list.json')
     raw = response.read().decode('utf-8')
     return json.loads(raw)