diff --git a/dkim/tests/data/utf8test.key b/dkim/tests/data/utf8test.key
new file mode 100644
index 0000000..f12a3d1
--- /dev/null
+++ b/dkim/tests/data/utf8test.key
@@ -0,0 +1 @@
+fL+5V9EquCZAovKik3pA6Lk9zwCzoEtjIuIqK9ZXHHA=
diff --git a/dkim/tests/data/utf8test.msg b/dkim/tests/data/utf8test.msg
new file mode 100644
index 0000000..82f3c0f
--- /dev/null
+++ b/dkim/tests/data/utf8test.msg
@@ -0,0 +1,9 @@
+Authentication-Results: lists.example.org; arc=none; spf=pass smtp.mfrom=jqd@d1.example; dkim=pass (1024-bit key) header.i=@d1.example; dmarc=pass
+Received: from localhost
+Message-ID: <example@example.com>
+Date: Mon, 01 Jan 2011 01:02:03 +0400
+From: Test User <test@example.com>
+To: somebody@example.com
+Subject: Testing
+
+This is a test message.
diff --git a/dkim/tests/data/utf8test2.msg b/dkim/tests/data/utf8test2.msg
new file mode 100644
index 0000000..0904120
--- /dev/null
+++ b/dkim/tests/data/utf8test2.msg
@@ -0,0 +1,14 @@
+DKIM-Signature: v=1; a=ed25519-sha256; q=dns/txt; c=relaxed/relaxed; d=test.ex
+	; s=sed; h=From:To:Subject; bh=/Ab0giHZitYQbDhFszoqQRUkgqueaX9zatJttIU/plc=;
+	 b=5fhyD3EILDrnL4DnkD4hDaeis7+GSzL9GMHrhIDZJjuJ00WD5iI8SQ1q9rDfzFL/Kdw0VIyB4R
+	Dq0a4H6HI+Bw==;
+Received: from jgh by myhost.test.ex with local (Exim x.yz)
+	envelope-from <jgh@myhost.test.ex>)
+	 1dtXln-0000YP-Hb
+	 a@test.ex; Sun, 17 Sep 2017 12:29:51 +0100
+From: nobody@example.com
+Message-Id: <E1dtXln-0000YP-Hb@myhost.test.ex>
+Sender: CALLER_NAME <jgh@myhost.test.ex>
+Date: Sun, 17 Sep 2017 12:29:51 +0100
+
+content
diff --git a/dkim/tests/test_dkim_utf8.py b/dkim/tests/test_dkim_utf8.py
index 5cf89e4..d4ac07b 100644
--- a/dkim/tests/test_dkim_utf8.py
+++ b/dkim/tests/test_dkim_utf8.py
@@ -52,11 +52,11 @@ class TestSignAndVerify(unittest.TestCase):
     """End-to-end signature and verification tests."""
 
     def setUp(self):
-        self.message = read_test_data("ed25519test.msg")
-        self.message2 = read_test_data("ed25519test2.msg")
+        self.message = read_test_data("utf8test.msg")
+        self.message2 = read_test_data("utf8test2.msg")
         self.message3 = read_test_data("rfc6376.msg")
         self.message4 = read_test_data("rfc6376.signed.msg")
-        self.key = read_test_data("ed25519test.key")
+        self.key = read_test_data("utf8.key")
         self.rfckey = read_test_data("rfc8032_7_1.key")
 
     def dnsfunc(self, domain, timeout=5):