diff --git a/.travis.yml b/.travis.yml
index 676f105b..3649782a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,14 +7,14 @@ addons:
 matrix:
   include:
     - python: "2.7"
-      env: FEATURES=openstack,ec2,daemon
+      env: FEATURES=[openstack,ec2,daemon]
     - python: "2.6"
       env: FEATURES=
 
 install:
   - "pip install --upgrade setuptools pip"
   - "pip install 'pytest==3.2.5' mock"
-  - "pip install -e .[$FEATURES]"
+  - "pip install -e .$FEATURES"
 
 script:
   - export BOTO_CONFIG=/dev/null