diff --git a/.travis.yml b/.travis.yml
index cafe46059e6c0..88e1655363a4e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -28,6 +28,7 @@ matrix:
       os: osx
       compiler: clang
       osx_image: xcode6.4
+      cache: ccache
       env:
         - PYTHON_VERSION=3.5
         - JOB_NAME: "35_osx"
diff --git a/ci/submit_cython_cache.sh b/ci/submit_cython_cache.sh
index cfbced4988357..b87acef0ba11c 100755
--- a/ci/submit_cython_cache.sh
+++ b/ci/submit_cython_cache.sh
@@ -9,7 +9,7 @@ rm -rf $PYX_CACHE_DIR
 
 home_dir=$(pwd)
 
-mkdir $PYX_CACHE_DIR
+mkdir -p $PYX_CACHE_DIR
 rsync -Rv $pyx_file_list $PYX_CACHE_DIR
 
 echo "pyx files:"