diff --git a/OpenSSL/test/test_ssl.py b/OpenSSL/test/test_ssl.py
index 787d636..a71aed9 100644
--- a/OpenSSL/test/test_ssl.py
+++ b/OpenSSL/test/test_ssl.py
@@ -2012,7 +2012,7 @@
             # Now test a connection.
             conn = Connection(context)
             self.assertRaises(
-                NotImplementedError, context.set_alpn_protos, None
+                NotImplementedError, conn.set_alpn_protos, None
             )