diff --git a/.travis.yml b/.travis.yml
index d6b93d9..1caffd8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,8 @@ env:
 
 before_install:
   - sudo hostname "$(hostname | cut -c1-63)"
-  - sed -e "s/^\\(127\\.0\\.0\\.1.*\\)/\\1 $(hostname | cut -c1-63)/" /etc/hosts | sudo tee /etc/hosts
+  - sed -e "s/^\\(127\\.0\\.0\\.1.*\\)/\\1 $(hostname | cut -c1-63)/" /etc/hosts > /tmp/hosts
+  - sudo mv /tmp/hosts /etc/hosts
 script:
   - admin/build.sh
 scala: