diff --git a/test/test_ssl.py b/test/test_ssl.py
index 227d0db37..f663a2e19 100644
--- a/test/test_ssl.py
+++ b/test/test_ssl.py
@@ -657,6 +657,7 @@ class TestSSL(IntegrationTest):
         else:
             self.fail("Invalid certificate accepted.")
 
+    @client_context.require_ssl_certfile
     def test_connect_with_ca_bundle(self):
         def remove(path):
             try: