diff --git a/tools/ci/amd64/clang/lsan.sh b/tools/ci/amd64/clang/lsan.sh
index 53db3ed..348ec07 100755
--- a/tools/ci/amd64/clang/lsan.sh
+++ b/tools/ci/amd64/clang/lsan.sh
@@ -30,7 +30,8 @@ cmake . \
 -Wl,-rpath,/libcxx_lsan/lib" \
 && cmake --build ./build -j`nproc`
 
-export LSAN_OPTIONS="suppressions=$(git rev-parse --show-toplevel)/tools/ci/amd64/clang/lsan.supp"
+export LSAN_OPTIONS="suppressions=$(git rev-parse --show-toplevel)/tools/ci/amd64/clang/lsan.supp:fast_unwind_on_malloc=0"
+export LSAN_SYMBOLIZER_PATH="$(which llvm-symbolizer)"
 for test in $(find ./build -type f -name '*_tests' -executable); do
     echo "Running $test"
     "$test"