diff --git a/.travis.yml b/.travis.yml
index 92bb204e..da3e6e7d 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,17 +7,21 @@ install:
   - pip install tox
 script:
   - tox -e lint,py35
-sudo: false
-# addons:
-#   apt:
-#     packages:
-#     - texlive-latex-base
-#     - latex-xcolor
-#     - texlive-latex-extra
-#     - texlive-luatex
-#     - texlive-xetex
-#     - pgf
-#     - lmodern
+sudo: required
+dist: trusty
+addons:
+  apt:
+    packages:
+    - texlive-latex-base
+    - latex-xcolor        # package xcolor
+    - texlive-latex-extra # package xstring
+    - pgf                 # package tikz
+    - texlive-luatex      # package luaotfload
+    - texlive-xetex       # package eu2enc
+    - lmodern
+    - texlive-lang-french
+    - texlive-lang-german
+    - texlive-lang-spanish
 #     - lilypond
 notifications:
   email: false
diff --git a/test/test_book/test_compilation.py b/test/test_book/test_compilation.py
index 3b864c6b..4fef87ce 100644
--- a/test/test_book/test_compilation.py
+++ b/test/test_book/test_compilation.py
@@ -122,8 +122,8 @@ class FileTest(unittest.TestCase, metaclass=dynamic.DynamicTest):
     @classmethod
     def _create_compilation_test(cls, base, onthefly=False):
         """Return a function testing that `base.tex` is correctly compiled."""
-        @unittest.skipIf('CI' in os.environ,
-                         "Travis or AppVeyor does not support lualatex compilation yet")
+        @unittest.skipIf('APPVEYOR' in os.environ,
+                         "AppVeyor does not support lualatex compilation yet")
         def test_compilation(self):
             """Test that `base` is rendered to pdf."""
             # Check compilation