diff --git a/doc/local_ros_installation.md b/doc/local_ros_installation.md
index ac74ca69f980d023f7589d36b8cef178c027ed05..c0c2f5a624fff4919f42da4f552b81980e2a3801 100644
--- a/doc/local_ros_installation.md
+++ b/doc/local_ros_installation.md
@@ -155,7 +155,7 @@ wgrun roscore
 
 Assume we want to use unit /dji0 in Gränsö. The do:
 ```bash
-roslaunch lrs_launch config.launch location:=granso no_airspace_booking:=true ns:=/dji0
+wexec roslaunch lrs_launch config.launch location:=granso no_airspace_booking:=true ns:=/dji0
 ```