diff --git a/setup.py b/setup.py
index <HASH>..<HASH> 100644
--- a/setup.py
+++ b/setup.py
@@ -100,5 +100,6 @@ setuptools.setup(
             "requests"
         ],
         url="https://github.com/CellProfiler/prokaryote",
-        version=version
+        version=version,
+        zip_safe = False
 )
Flailing - guess what, pip decided to install as zipped egg, lot of good that does!