diff --git a/.travis.yml b/.travis.yml
index b951418c6d1b62dc0e71d64d4e69acc7d786c647..090a4291b3609aa4a214acbc64db8adf8e51356c 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -156,7 +156,7 @@ before_script:
   - ./tests/travis/prepare.sh
   - ./tests/travis/setup_webserver.sh
 
-  - export GENERATE_TRAVIS_YML_COMMAND='php ./console generate:travis-yml --core'
+  - export GENERATE_TRAVIS_YML_COMMAND="php ./console generate:travis-yml --core"
   - ./tests/travis/autoupdate_travis_yml.sh
 
   - cd tests/PHPUnit