diff --git a/.travis.yml b/.travis.yml
index 9c784c0..82a2cc7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,7 +8,7 @@ python:
 
 # install Java 8 as required by vnu.jar
 before_install:
- - sudo rm /etc/profile.d/jdk.sh
+ - sudo rm -f /etc/profile.d/jdk.sh
  - sudo apt-get -y update
  - sudo apt-get -y install oracle-java8-installer
  - sudo update-java-alternatives -s java-8-oracle