diff --git a/HowtoMastodon.md b/HowtoMastodon.md
index 69de0adb..ca531ab0 100644
--- a/HowtoMastodon.md
+++ b/HowtoMastodon.md
@@ -149,7 +149,7 @@ Compilation des assets :
 
 ~~~
 $ bundle exec rails assets:precompile
-$ chmod -R u=rwX,g=rwX,o=rX /home/mastodon/mastodon/public/assets
+$ chmod -R u=rwX,g=rwX,o=rX /home/mastodon/mastodon/public/{assets,packs}
 ~~~
 
 ### Unités systemd
@@ -352,7 +352,7 @@ $ bundle install --deployment --without development test
 $ yarn install --pure-lockfile
 $ bundle exec rails db:migrate
 $ bundle exec rails assets:precompile
-$ chmod -R u=rwX,g=rwX,o=rX /home/mastodon/mastodon/public/assets
+$ chmod -R u=rwX,g=rwX,o=rX /home/mastodon/mastodon/public/{assets,packs}
 $ exit
 # systemctl restart mastodon-*.service
 ~~~