diff --git a/launch/joy_control.launch.py b/launch/joy_control.launch.py
index 03fef36..7a5e8f2 100644
--- a/launch/joy_control.launch.py
+++ b/launch/joy_control.launch.py
@@ -57,7 +57,9 @@ def generate_launch_description():
             output="both",
             parameters=[
                 ParameterFile(joy_params),
-                {"fire_ext_max_capacity": 100},
+                {"fire_ext_max_capacity": 100,
+                 "max_linear_speed": 3.},
+
             ],
     )