diff --git a/ros_packages/mrs_uav_gazebo_simulation/tmux/one_drone/config/world_config.yaml b/ros_packages/mrs_uav_gazebo_simulation/tmux/one_drone/config/world_config.yaml
index 2700a72..9b55067 100644
--- a/ros_packages/mrs_uav_gazebo_simulation/tmux/one_drone/config/world_config.yaml
+++ b/ros_packages/mrs_uav_gazebo_simulation/tmux/one_drone/config/world_config.yaml
@@ -22,7 +22,7 @@ safety_area:
       -50, -50,
       50,  -50,
       50,  50,
-      -50, 50
+      -50, 50,
     ]
 
   vertical: