diff --git a/launch/asl_vicon.launch b/launch/asl_vicon.launch
index e918207..afd380c 100644
--- a/launch/asl_vicon.launch
+++ b/launch/asl_vicon.launch
@@ -1,9 +1,11 @@
 <launch>
   <arg name="object_name" default="bluebird" />
+  <arg name="timestamping_system" default="ros" />
+
   <node ns="$(arg object_name)" name="vrpn_client" type="ros_vrpn_client" pkg="ros_vrpn_client" output="screen">
     <param name="vrpn_server_ip" value="vicon" />
     <param name="vrpn_coordinate_system" value="vicon" />
-    <param name="timestamping_system" value="ros" />
+    <param name="timestamping_system" value="$(arg timestamping_system)" />
     <param name="object_name" value="$(arg object_name)" />
     <param name="verbose" value="true" />
     <param name="translational_estimator/kp" value="0.5" />