1 files changed, 2 insertions, 1 deletions
diff --git a/setup.py b/setup.py
index 8daab33..f47f563 100755
--- a/setup.py
+++ b/setup.py
@@ -30,5 +30,6 @@ setuptools.command.easy_install.easy_install = easier_install
 setup(
     setup_requires=['d2to1>=0.2.3', 'stsci.distutils>=0.2dev'],
     d2to1=True,
-    use_2to3=True
+    use_2to3=True,
+    zip_safe=False
 )