diff --git a/.travis.yml b/.travis.yml
index 09a2200..c7c6d55 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -25,6 +25,7 @@ script:
   - docker build -t "$DOCKER_USER"/ssh-chat:latest .
 
 after_success:
+  - set -e
   - test $TRAVIS_PULL_REQUEST == "false" && test $TRAVIS_BRANCH == "master"
   - docker login -e="$DOCKER_EMAIL" -u="$DOCKER_USER" -p="$DOCKER_PASS"
   - docker push $DOCKER_USER/ssh-chat:latest