diff --git a/.travis.yml b/.travis.yml
index b619f9536e..8a0d9f48a8 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,7 @@ services:
 cache:
   ccache: true
   directories:
-    - $TRAVIS_BUILD_DIR/ci/scratch/.ccache
+    - $BASE_BUILD_DIR/ci/scratch/.ccache
     # macOS
     - $HOME/Library/Caches/Homebrew
     - /usr/local/Homebrew
@@ -158,7 +158,7 @@ install:
     - export PULL_REQUEST="$TRAVIS_PULL_REQUEST"
     - export COMMIT_RANGE="$TRAVIS_COMMIT_RANGE"
     - export JOB_NUMBER="$TRAVIS_JOB_NUMBER"
-    - export HOST_SRC_DIR=$TRAVIS_BUILD_DIR
+    - export HOST_SRC_DIR=$BASE_BUILD_DIR
     - export HOST_CACHE_DIR=$HOME/cache
     - export TRAVIS_COMMIT_LOG=`git log --format=fuller -1`
     - source ./ci/matrix.sh
diff --git a/ci/test/04_install.sh b/ci/test/04_install.sh
index 5fa21286ba..67dd609c03 100755
--- a/ci/test/04_install.sh
+++ b/ci/test/04_install.sh
@@ -36,9 +36,9 @@ mkdir -p "${BASE_SCRATCH_DIR}"
 mkdir -p "${CCACHE_DIR}"
 
 export ASAN_OPTIONS=""
-export LSAN_OPTIONS="suppressions=${TRAVIS_BUILD_DIR}/test/sanitizer_suppressions/lsan"
-export TSAN_OPTIONS="suppressions=${TRAVIS_BUILD_DIR}/test/sanitizer_suppressions/tsan"
-export UBSAN_OPTIONS="suppressions=${TRAVIS_BUILD_DIR}/test/sanitizer_suppressions/ubsan:print_stacktrace=1:halt_on_error=1"
+export LSAN_OPTIONS="suppressions=${BASE_BUILD_DIR}/test/sanitizer_suppressions/lsan"
+export TSAN_OPTIONS="suppressions=${BASE_BUILD_DIR}/test/sanitizer_suppressions/tsan"
+export UBSAN_OPTIONS="suppressions=${BASE_BUILD_DIR}/test/sanitizer_suppressions/ubsan:print_stacktrace=1:halt_on_error=1"
 env | grep -E '^(CCACHE_|WINEDEBUG|LC_ALL|BOOST_TEST_RANDOM|CONFIG_SHELL|(ASAN|LSAN|TSAN|UBSAN)_OPTIONS)' | tee /tmp/env
 if [[ $HOST = *-mingw32 ]]; then
   DOCKER_ADMIN="--cap-add SYS_ADMIN"