diff --git a/README.md b/README.md
index c1323847f082128e5cd9a162a1942fce88e3000f..b391e695e2eda26ae89eab1734416d1bb8626882 100644
--- a/README.md
+++ b/README.md
@@ -51,7 +51,7 @@ export GAZEBO_MODEL_PATH=`rospack find seat_car_gazebo`/models:$GAZEBO_MODEL_PAT
 ## Running 
 
 ```
-roslaunch seat_car_gazebo sim.launch
+roslaunch seat_car_gazebo sim.launch fake_localization:=true
 
 # Test semaphore
 rosservice call /semaphore_start1_color_plugin/trigger