diff --git a/.travis.yml b/.travis.yml
index 1174087..8ef7e64 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -53,7 +53,7 @@ env:
 
         # If there are matplotlib or other GUI tests, uncomment the following
         # line to use the X virtual framebuffer.
-         - SETUP_XVFB=True
+        - SETUP_XVFB=True
 
     matrix:
         # Make sure that egg_info works without dependencies