diff --git a/README.md b/README.md
index fa8b410..d62b197 100644
--- a/README.md
+++ b/README.md
@@ -482,7 +482,7 @@ Then:
 lxc-create -n CONTAINERNAME -f .config/lxc/CONTAINERNAME.conf -t download
 # pick OS (alpine/edge/amd64 in my case)
 lxc-start -n CONTAINERNAME # make sure it does not produce any errors
-lxc-attach -n CONTAINERNAME
+lxc-attach --clear-env -n CONTAINERNAME
 ```
 
 You'll get into a container root console.