diff --git a/OpenSSL/test/test_ssl.py b/OpenSSL/test/test_ssl.py
index aca8dab..5f0f12b 100644
--- a/OpenSSL/test/test_ssl.py
+++ b/OpenSSL/test/test_ssl.py
@@ -1142,11 +1142,11 @@
         chain = client.get_peer_cert_chain()
         self.assertEqual(len(chain), 3)
         self.assertEqual(
-            chain[0].get_subject().CN, b("Server Certificate"))
+            chain[0].get_subject().CN, "Server Certificate")
         self.assertEqual(
-            chain[1].get_subject().CN, b("Intermediate Certificate"))
+            chain[1].get_subject().CN, "Intermediate Certificate")
         self.assertEqual(
-            chain[2].get_subject().CN, b("Authority Certificate"))
+            chain[2].get_subject().CN, "Authority Certificate")