diff --git a/t/openssl/pkey.t b/t/openssl/pkey.t
index dd2186db..08b19422 100644
--- a/t/openssl/pkey.t
+++ b/t/openssl/pkey.t
@@ -335,10 +335,10 @@ nil
     GET /t
 --- response_body_like eval
 "409
-[A-F0-9]{98}
-[A-F0-9]{48}
-[A-F0-9]{48}
-[A-F0-9]{48}
+[A-F0-9]{1,98}
+[A-F0-9]{1,48}
+[A-F0-9]{1,48}
+[A-F0-9]{1,48}
 nil
 "
 --- no_error_log