diff --git a/scripts/install b/scripts/install
index 7be2ea3..9003a7e 100644
--- a/scripts/install
+++ b/scripts/install
@@ -109,14 +109,15 @@ cp ../conf/app.src /opt/netdata/etc/netdata
 # SETUP SSOWAT
 #=================================================
 
-# If app is public, add url to SSOWat conf as skipped_uris
+# Make app public if necessary
 if [ $is_public -eq 1 ]; then
-  # unprotected_uris allows SSO credentials to be passed anyway.
-  ynh_app_setting_set "$app" unprotected_uris "/"
+	# Everyone can access the app.
+	# The "main" permission is automatically created before the install script.
+	ynh_permission_update --permission "main" --add "visitors"
 fi
 
 # Add direct access in the portal to admin only
-yunohost app addaccess --users=$admin $app
+ynh_permission_update --permission "main" --add "$admin"
 
 #=================================================
 # RELOAD NGINX
diff --git a/scripts/upgrade b/scripts/upgrade
index bf18c94..bfcd2e2 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -115,10 +115,12 @@ cp ../conf/app.src /opt/netdata/etc/netdata
 #=================================================
 # SETUP SSOWAT
 #=================================================
-# If app is public, add url to SSOWat conf as skipped_uris
+
+# Make app public if necessary
 if [[ $is_public -eq 1 ]]; then
-  # See install script
-  ynh_app_setting_set "$app" unprotected_uris "/"
+	# Everyone can access the app.
+	# The "main" permission is automatically created before the install script.
+	ynh_permission_update --permission "main" --add "visitors"
 fi
 
 #=================================================