diff --git a/.travis.yml b/.travis.yml
index 25554f2..4ab0a95 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,4 +7,4 @@ addons:
       - libgtk-3-dev
       - freeglut3 
       - freeglut3-dev
-script: travis-ci/build.sh
+script: bash travis-ci/build.sh