diff --git a/sciurus17_examples/launch/demo.launch.py b/sciurus17_examples/launch/demo.launch.py
index 9b7cc99..a9f363e 100644
--- a/sciurus17_examples/launch/demo.launch.py
+++ b/sciurus17_examples/launch/demo.launch.py
@@ -71,8 +71,8 @@ def generate_launch_description():
 
     return LaunchDescription(
         [
-            SetParameter(name='use_sim_time', value=LaunchConfiguration('use_sim_time')),
             declare_use_sim_time,
+            SetParameter(name='use_sim_time', value=LaunchConfiguration('use_sim_time')),
             declare_use_head_camera,
             declare_use_chest_camera,
             move_group,