diff --git a/packages/grpc-js-xds/scripts/xds_k8s_lb.sh b/packages/grpc-js-xds/scripts/xds_k8s_lb.sh
index 0ff34ac4b..b4c9f81a2 100755
--- a/packages/grpc-js-xds/scripts/xds_k8s_lb.sh
+++ b/packages/grpc-js-xds/scripts/xds_k8s_lb.sh
@@ -135,6 +135,8 @@ main() {
   local script_dir
   script_dir="$(dirname "$0")"
 
+  cd "${script_dir}"
+
   git submodule update --init --recursive
 
   # Source the test driver from the master branch.