diff --git a/.travis.yml b/.travis.yml
index 1b7b9bb..feb8625 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -18,11 +18,11 @@ matrix:
     - os: osx
       brew_packages: rust
     - os: osx
-      osx_image: xcode8.3
       disable_homebrew: true
     - os: osx
       osx_image: xcode7.3
       disable_homebrew: true
+      before_install: sed -i.bak 's/-isysroot /-I/g' $(R RHOME)/etc/Makeconf
 
 addons:
   apt: