diff --git a/.travis.yml b/.travis.yml
index 649e26d..2896159 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,6 +7,10 @@ cache:
     - output
     - tmp
 
+branches:
+  only:
+  - master
+
 rvm:
 - 2.3.1
 notifications:
@@ -24,4 +28,5 @@ after_success:
 - mv deploy_key ~/.ssh/id_rsa
 - chmod 600 ~/.ssh/id_rsa
 - chmod +x ./deploy.sh
+- echo -e "Host $TRAVIS_PULL_REQUEST.zeus.werthen.com\n\tStrictHostKeyChecking no\n" >> ~/.ssh/config
 - ./deploy.sh