diff --git a/.travis.yml b/.travis.yml
index cfd8950b..b1d4dffb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,9 +12,9 @@ rvm:
   - 2.3.0
   - 2.3.1
 before_install:
-  - echo 'gem: --no-ri --no-rdoc' > ~/.gemrc
+  - "echo 'gem: --no-ri --no-rdoc' > ~/.gemrc"
 before_script:
-  - unzip $TRAVIS_BUILD_DIR%/data.zip -d $TRAVIS_BUILD_DIR
+  - "unzip $TRAVIS_BUILD_DIR%/data.zip -d $TRAVIS_BUILD_DIR"
 script: bundle exec rspec
 notifications:
   email: