diff --git a/.travis.yml b/.travis.yml
index 23fe940..6becb2f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,13 +7,19 @@ python:
     - 3.3
     - 3.4
 
-before_install:  # Install conda
+before_install:
+
+    # Install conda
     - wget http://repo.continuum.io/miniconda/Miniconda-latest-Linux-x86_64.sh -O miniconda.sh
     - chmod +x miniconda.sh
     - ./miniconda.sh -b
     - export PATH=/home/travis/miniconda/bin:$PATH
     - conda update --yes conda
 
+    # Make sure that interactive matplotlib backends work
+    - export DISPLAY=:99.0
+    - sh -e /etc/init.d/xvfb start
+
 install:
     - conda install --yes pip pytest numpy matplotlib psutil
     - pip install coveralls pytest-cov