diff --git a/.travis.yml b/.travis.yml
index 6b2649293..270eb6348 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,6 +4,7 @@ python:
   - "3.3"
 # command to install dependencies
 install:
+  - "apt-get install -y libacl1-dev"
   - "pip install --use-mirrors Cython"
   - "pip install -e ."
 # command to run tests
diff --git a/attic/platform.py b/attic/platform.py
index 96b7846ca..c33ac7f9c 100644
--- a/attic/platform.py
+++ b/attic/platform.py
@@ -1,6 +1,6 @@
 import os
 
-platform = os.uname().sysname
+platform = os.uname()[0]
 
 if platform == 'Linux':
     from attic.platform_linux import acl_get, acl_set, API_VERSION
diff --git a/setup.py b/setup.py
index f24f593b7..cd4769aad 100644
--- a/setup.py
+++ b/setup.py
@@ -9,7 +9,7 @@ versioneer.versionfile_build = 'attic/_version.py'
 versioneer.tag_prefix = ''
 versioneer.parentdir_prefix = 'Attic-' # dirname like 'myproject-1.2.0'
 
-platform = os.uname().sysname
+platform = os.uname()[0]
 
 min_python = (3, 2)
 if sys.version_info < min_python: