diff --git a/.travis.yml b/.travis.yml
index 186826512d..1317cc82b7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -10,7 +10,7 @@ os:
   - osx
 sudo: required
 dist: trusty
-osx_image: xcode8
+osx_image: xcode7.3
 
 addons:
   artifacts:
diff --git a/tools/travis.sh b/tools/travis.sh
index 1fac7631f6..1fe98a03f2 100755
--- a/tools/travis.sh
+++ b/tools/travis.sh
@@ -1,3 +1,4 @@
+set -x
 ulimit -n 4096
 # Only build packages for branches, not pull requests
 if [[ $TRAVIS_PULL_REQUEST == false ]]; then