diff --git a/setup.py b/setup.py
index 08e77b2d4..f77571440 100644
--- a/setup.py
+++ b/setup.py
@@ -18,6 +18,7 @@ setup(
     license='BSD',
     packages=find_packages(exclude=('scrapy.tests', 'scrapy.tests.*')),
     include_package_data=True,
+    zip_safe=False,
     entry_points={
         'console_scripts': ['scrapy = scrapy.cmdline:execute']
     },