diff --git a/README.md b/README.md
index fd5b710..4e94f59 100644
--- a/README.md
+++ b/README.md
@@ -26,6 +26,7 @@ You may activate backup of the library with
 ```
 yunohost app setting calibreweb backup_core_only -v 0
 ```
+By default, removing the app will **never** delete the library.
 
 
 ## Limitations
diff --git a/scripts/install b/scripts/install
index ba5ef48..f93ece3 100755
--- a/scripts/install
+++ b/scripts/install
@@ -107,6 +107,7 @@ ynh_add_nginx_config
 
 # Create a system user
 ynh_system_user_create $app
+chown -R $app: $final_path
 
 #=================================================
 # SETUP SYSTEMD