diff --git a/.travis.yml b/.travis.yml
index fb22eea..f4dc16a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,4 +5,6 @@ compiler:
 before_install:
     - sudo apt-get update -qq
     - sudo apt-get install -y libx11-xcb-dev libxcb-randr0-dev libxcb-xinerama0-dev
+env:
+    - CFLAGS='-DWITH_XINERAMA=1'
 script: make