diff --git a/ci/test/00_setup_env.sh b/ci/test/00_setup_env.sh
index e6aec723bc..fa4d0410fa 100755
--- a/ci/test/00_setup_env.sh
+++ b/ci/test/00_setup_env.sh
@@ -14,6 +14,9 @@ export BASE_ROOT_DIR
 # The depends dir.
 # This folder exists on the ci host and ci guest. Changes are propagated back and forth.
 export DEPENDS_DIR=${DEPENDS_DIR:-$BASE_ROOT_DIR/depends}
+# A folder for the ci system to put temporary files (ccache, datadirs for tests, ...)
+# This folder only exists on the ci host.
+export BASE_SCRATCH_DIR=${BASE_SCRATCH_DIR:-$BASE_ROOT_DIR/ci/scratch}
 
 echo "Setting specific values in env"
 if [ -n "${FILE_ENV}" ]; then
@@ -25,9 +28,6 @@ fi
 echo "Fallback to default values in env (if not yet set)"
 # The number of parallel jobs to pass down to make and test_runner.py
 export MAKEJOBS=${MAKEJOBS:--j4}
-# A folder for the ci system to put temporary files (ccache, datadirs for tests, ...)
-# This folder only exists on the ci host.
-export BASE_SCRATCH_DIR=${BASE_SCRATCH_DIR:-$BASE_ROOT_DIR/ci/scratch}
 # What host to compile for. See also ./depends/README.md
 # Tests that need cross-compilation export the appropriate HOST.
 # Tests that run natively guess the host
diff --git a/ci/test/00_setup_env_native_msan.sh b/ci/test/00_setup_env_native_msan.sh
index 3ce50f816f..9535d7a601 100644
--- a/ci/test/00_setup_env_native_msan.sh
+++ b/ci/test/00_setup_env_native_msan.sh
@@ -7,7 +7,7 @@
 export LC_ALL=C.UTF-8
 
 export DOCKER_NAME_TAG="ubuntu:20.04"
-LIBCXX_DIR="${BASE_ROOT_DIR}/ci/scratch/msan/build/"
+LIBCXX_DIR="${BASE_SCRATCH_DIR}/msan/build/"
 export MSAN_FLAGS="-fsanitize=memory -fsanitize-memory-track-origins=2 -fno-omit-frame-pointer -g -O1 -fno-optimize-sibling-calls"
 LIBCXX_FLAGS="-nostdinc++ -stdlib=libc++ -L${LIBCXX_DIR}lib -lc++abi -I${LIBCXX_DIR}include -I${LIBCXX_DIR}include/c++/v1 -lpthread -Wl,-rpath,${LIBCXX_DIR}lib -Wno-unused-command-line-argument"
 export MSAN_AND_LIBCXX_FLAGS="${MSAN_FLAGS} ${LIBCXX_FLAGS}"
@@ -17,7 +17,7 @@ export CONTAINER_NAME="ci_native_msan"
 export PACKAGES="clang-9 llvm-9 cmake"
 export DEP_OPTS="NO_BDB=1 NO_QT=1 CC='clang' CXX='clang++' CFLAGS='${MSAN_FLAGS}' CXXFLAGS='${MSAN_AND_LIBCXX_FLAGS}' boost_cxxflags='-std=c++17 -fvisibility=hidden -fPIC ${MSAN_AND_LIBCXX_FLAGS}' zeromq_cxxflags='-std=c++17 ${MSAN_AND_LIBCXX_FLAGS}'"
 export GOAL="install"
-export BITCOIN_CONFIG="--enable-wallet --with-sanitizers=memory --with-asm=no --prefix=${BASE_ROOT_DIR}/depends/x86_64-pc-linux-gnu/ CC=clang CXX=clang++ CFLAGS='${MSAN_FLAGS}' CXXFLAGS='${MSAN_AND_LIBCXX_FLAGS}' BDB_LIBS='-L${BDB_PREFIX}/lib -ldb_cxx-4.8' BDB_CFLAGS='-I${BDB_PREFIX}/include'"
+export BITCOIN_CONFIG="--enable-wallet --with-sanitizers=memory --with-asm=no --prefix=${DEPENDS_DIR}/x86_64-pc-linux-gnu/ CC=clang CXX=clang++ CFLAGS='${MSAN_FLAGS}' CXXFLAGS='${MSAN_AND_LIBCXX_FLAGS}' BDB_LIBS='-L${BDB_PREFIX}/lib -ldb_cxx-4.8' BDB_CFLAGS='-I${BDB_PREFIX}/include'"
 export USE_MEMORY_SANITIZER="true"
 export RUN_FUNCTIONAL_TESTS="false"
 export CCACHE_SIZE=250M