diff --git a/.travis.yml b/.travis.yml
index dc110e6..8b4cd31 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -9,6 +9,7 @@ before_install:
   - sudo ln -s /usr/local/share/arduino/arduino /usr/local/bin/arduino
   - wget https://www.pjrc.com/teensy/td_136/TeensyduinoInstall.linux64
   - sudo chmod 755 TeensyduinoInstall.linux64
+  - ls
   - sudo TeensyduinoInstall.linux64
 install:
   - ln -s $PWD /usr/local/share/arduino/libraries/OpenAudio_ArduinoLibrary