diff --git a/README.md b/README.md
index 77d821f..b1c86f3 100644
--- a/README.md
+++ b/README.md
@@ -635,7 +635,7 @@ Networking with routing should work automatically.
 #### Creating container
 
 ```
-doas lxc launch images:alpine/edge -c security.nesting=true -c security.privileged=false test-alpine-container
+doas lxc launch images:alpine/edge -c security.nesting=true -c security.privileged=false -c security.idmap.isolated=true -c security.idmap.size=6553600 test-alpine-container
 doas lxc exec test-alpine-container -- /bin/ash
 ```
 Networking should work inside of container.