diff --git a/.travis.yml b/.travis.yml
index c0dabfa..9615d3d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,8 +3,8 @@ dist: xenial
 language: python
 python:
 - '3.5'
-virtualenv:
-  system_site_packages: true
+#virtualenv:
+#  system_site_packages: true
 before_install:
 - sudo apt-get -qq update
 - sudo -E -H pip install -U pip