diff --git a/src/ezbot_robot/config/omnidirectional_controller.yaml b/src/ezbot_robot/config/omnidirectional_controller.yaml
index ab09954..7880db6 100644
--- a/src/ezbot_robot/config/omnidirectional_controller.yaml
+++ b/src/ezbot_robot/config/omnidirectional_controller.yaml
@@ -18,7 +18,7 @@ omnidirectional_controller:
       - roue_droite_joint
 
     robot_radius: 0.15
-    wheel_radius: 0.06
+    wheel_radius: 0.03
 
     publish_rate: 50.0
     odom_frame_id: odom