diff --git a/.travis.yml b/.travis.yml
index 2337c917944..96e3d7edb51 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,7 +25,7 @@ before_install:
   - ruby --version
   - /usr/bin/which rake
   - rake --version
-  - ls "/System/Library/Frameworks/Ruby.framework/Versions/${CASK_SYSTEM_RUBY_VERSION}/usr/bin"
+  - echo ls_ruby_bindir; ls "/System/Library/Frameworks/Ruby.framework/Versions/${CASK_SYSTEM_RUBY_VERSION}/usr/bin"
 
 # install brew Formulae
 # install bundler gem
@@ -33,8 +33,8 @@ before_install:
 install:
   - brew install cabextract
   - brew install unar
-  - sudo "/System/Library/Frameworks/Ruby.framework/Versions/${CASK_SYSTEM_RUBY_VERSION}/usr/bin/gem" install bundler --bindir="/System/Library/Frameworks/Ruby.framework/Versions/${CASK_SYSTEM_RUBY_VERSION}/usr/bin"
-  - sudo "/System/Library/Frameworks/Ruby.framework/Versions/${CASK_SYSTEM_RUBY_VERSION}/usr/bin/bundle" --system
+  - echo gem_install_bundler; sudo "/System/Library/Frameworks/Ruby.framework/Versions/${CASK_SYSTEM_RUBY_VERSION}/usr/bin/gem" install bundler --bindir="/System/Library/Frameworks/Ruby.framework/Versions/${CASK_SYSTEM_RUBY_VERSION}/usr/bin"
+  - echo bundle; sudo "/System/Library/Frameworks/Ruby.framework/Versions/${CASK_SYSTEM_RUBY_VERSION}/usr/bin/bundle" --system
 
 # informational feedback
 before_script:
@@ -45,7 +45,7 @@ before_script:
   - bundle --version
   - /usr/bin/which rake
   - rake --version
-  - ls "/System/Library/Frameworks/Ruby.framework/Versions/${CASK_SYSTEM_RUBY_VERSION}/usr/bin"
+  - echo ls_ruby_bindir; ls "/System/Library/Frameworks/Ruby.framework/Versions/${CASK_SYSTEM_RUBY_VERSION}/usr/bin"
 
 # the test itself
 script: