diff --git a/.travis.yml b/.travis.yml
index 004c6ab4cf7236..2d5fb9174911f1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,11 +16,11 @@ matrix:
         - \[ -z "$TRAVIS_COMMIT_RANGE" \] || (echo -e '\nLinting the commit message according to the guidelines at https://goo.gl/p2fr5Q\n' && git log $TRAVIS_COMMIT_RANGE --pretty=format:'%h' --no-merges | tail -1 | xargs npx -q core-validate-commit --no-validate-metadata)
     - name: "Test Suite"
       install:
+        - export CC="ccache clang -Qunused-arguments -Wno-unknown-warning-option"
+        - export CXX="ccache clang++ -Qunused-arguments -stdlib=libc++"
+        - export JOBS=2
+        - export LD_LIBRARY_PATH="/usr/local/clang-5.0.0/lib":$LD_LIBRARY_PATH
         - ./configure
         - make -j2 V=
       script:
         - make -j2 test
-      before_install:
-        - export CXX="ccache clang++ -Qunused-arguments"
-        - export CC="ccache clang -Qunused-arguments -Wno-unknown-warning-option"
-        - export JOBS=2