diff --git a/README.md b/README.md
index 6038e7dadcc2b77d7645ef90a663b711ab4b2472..60ec4425a4145966650a64994c4fb0e9ce2f1b29 100644
--- a/README.md
+++ b/README.md
@@ -27,3 +27,8 @@ Note what have you changed in
 Usage
 -----
 Take a look at [example](example/) on how to multi-build your Cython extensions.
+
+Don't place modules compiled that way in root .py file's top level imports.
+Wrap them in a layer of indirection instead!
+
+This applies to unit tests as well!
diff --git a/snakehouse/__init__.py b/snakehouse/__init__.py
index e4e45a7a9559b31d7533b1a2f94ba7abbfb1809c..6cf364013c0d023d39172e521913eab8f1a966d8 100644
--- a/snakehouse/__init__.py
+++ b/snakehouse/__init__.py
@@ -2,4 +2,4 @@ from .build import build
 from .multibuild import Multibuild
 from .faster_builds import monkey_patch_parallel_compilation
 
-__version__ = '1.2.4a1'
+__version__ = '1.2.4a2'