diff --git a/spacy/tests/regression/test_issue743.py b/spacy/tests/regression/test_issue743.py
index e4a766fa5..7a9ee0298 100644
--- a/spacy/tests/regression/test_issue743.py
+++ b/spacy/tests/regression/test_issue743.py
@@ -1,3 +1,4 @@
+# coding: utf8
 from __future__ import unicode_literals
 from ...vocab import Vocab
 from ...tokens.doc import Doc