diff --git a/letsencrypt/cli.py b/letsencrypt/cli.py
index 7058b7efe..345c6152b 100644
--- a/letsencrypt/cli.py
+++ b/letsencrypt/cli.py
@@ -325,9 +325,8 @@ class HelpfulArgumentParser(object):
             if parsed_args.server not in (flag_default("server"), constants.STAGING_URI):
                 conflicts = ["--staging"] if parsed_args.staging else []
                 conflicts += ["--dry-run"] if parsed_args.dry_run else []
-                if not self.detect_defaults:
-                    raise errors.Error("--server value conflicts with {0}".format(
-                        " and ".join(conflicts)))
+                raise errors.Error("--server value conflicts with {0}".format(
+                    " and ".join(conflicts)))
 
             parsed_args.server = constants.STAGING_URI