diff --git a/.travis.yml b/.travis.yml
index 2932d5e4..aee14c00 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -55,7 +55,7 @@ matrix:
 
     # 2.3 -> {centos5}
     - python: "2.6"
-      env: MODE=ansible VER=2.3.3.0 DISTRO=centos5
+      env: MODE=ansible VER=2.3.3.0 DISTROS=centos5
 
     # 2.6 -> {debian, centos6, centos7}
     - python: "2.6"