diff --git a/.travis.yml b/.travis.yml
index 4123e52..2b0a452 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,9 +3,12 @@ sudo: required
 services:
   - docker
 
+env:
+  - DEBUG=1
+
 script:
   - docker login -u="$DOCKER_USERNAME" -p="$DOCKER_PASSWORD"
-  - travis_wait 30 DEBUG=1 ./docker-images-builder.sh
+  - travis_wait 30 ./docker-images-builder.sh
 
 branches:
   only: