diff --git a/royalnet/engineer/blueprints/__init__.py b/royalnet/engineer/blueprints/__init__.py
new file mode 100644
index 00000000..e4220971
--- /dev/null
+++ b/royalnet/engineer/blueprints/__init__.py
@@ -0,0 +1 @@
+from .message import *
diff --git a/royalnet/engineer/blueprints.py b/royalnet/engineer/blueprints/message.py
similarity index 98%
rename from royalnet/engineer/blueprints.py
rename to royalnet/engineer/blueprints/message.py
index 86739b0b..7584bd50 100644
--- a/royalnet/engineer/blueprints.py
+++ b/royalnet/engineer/blueprints/message.py
@@ -4,7 +4,7 @@ import abc
 import datetime
 import functools
 
-from . import exc
+from .. import exc
 
 
 class Message(metaclass=abc.ABCMeta):
@@ -85,3 +85,8 @@ class Message(metaclass=abc.ABCMeta):
         :raises .exc.NotAvailableError: If this message is not a reply to any other message.
         """
         raise exc.NeverAvailableError()
+
+
+__all__ = (
+    "Message",
+)