diff --git a/scripts/install b/scripts/install
index 0ba638a..caf0152 100644
--- a/scripts/install
+++ b/scripts/install
@@ -133,7 +133,7 @@ set_permissions
 ynh_script_progression --message="Configuring permissions"
 # accessible by everyone (authentification is done by firefox accounts)
 
-ynh_app_setting_set --app=$app --key=skipped_uris --value="/"
+
 
 #=================================================
 # RELOAD Services
diff --git a/scripts/upgrade b/scripts/upgrade
index 69a52c1..6cde630 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -88,6 +88,16 @@ ynh_clean_setup () {
 # Exit if an error occurs during the execution of the script
 ynh_abort_if_errors
 
+#=================================================
+# Migrate legacy permissions to new system
+#=================================================
+if ynh_legacy_permissions_exists
+then
+	ynh_legacy_permissions_delete_all
+
+	ynh_app_setting_delete --app=$app --key=is_public
+fi
+
 #=================================================
 # STANDARD UPGRADE STEPS
 #=================================================