diff --git a/nav2_system_tests/src/system/test_system_launch.py b/nav2_system_tests/src/system/test_system_launch.py
index 8717ac2ba27364129a2eeaed970a27e28d624772..093366f7d0e2428b7132de7b264335bcd2d670fa 100755
--- a/nav2_system_tests/src/system/test_system_launch.py
+++ b/nav2_system_tests/src/system/test_system_launch.py
@@ -75,7 +75,7 @@ def generate_launch_description():
             node_executable='amcl',
             node_name='amcl',
             output='screen',
-            parameters=[{'use_sim_time': use_sim_time}]),
+            parameters=[params_file]),
 
         launch_ros.actions.Node(
             package='dwb_controller',