diff --git a/run.sh b/run.sh
index 9726985..c4b2370 100755
--- a/run.sh
+++ b/run.sh
@@ -5,6 +5,8 @@ MODULE_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 RUNTIME_ROOT="${AUTONOMY_STUDIO_RUNTIME_ROOT:-$HOME/autonomy-studio/runtime/nav2}"
 FOLDER_NAME="$(basename "$MODULE_PATH")"
 CONTAINER_NAME="${FOLDER_NAME#\[}"; CONTAINER_NAME="${CONTAINER_NAME/\]/-}"
-ROS_PARAM='sim_mode:=true robot:=turtlebot3 level:=2d'
-read -r -a ROS_ARGS <<< "$ROS_PARAM"
+ROS_ARGS=()
+if [[ -n "${ROS_PARAM:-}" ]]; then
+  read -r -a ROS_ARGS <<< "$ROS_PARAM"
+fi
 exec bash "$RUNTIME_ROOT/docker/docker_run_nav2.sh" "$CONTAINER_NAME" "$(dirname "$MODULE_PATH")" "$FOLDER_NAME" "${NAV2_DOCKER_IMAGE:-future-nav2-gazebo:humble}" "${ROS_DOMAIN_ID:-0}" "${ROS_ARGS[@]}" "$@"