diff --git a/src/middlewared/middlewared/plugins/catalog/apps_details.py b/src/middlewared/middlewared/plugins/catalog/apps_details.py
index 5a3a71332027c..d624130bfb284 100644
--- a/src/middlewared/middlewared/plugins/catalog/apps_details.py
+++ b/src/middlewared/middlewared/plugins/catalog/apps_details.py
@@ -229,7 +229,7 @@ async def get_normalized_questions_context(self):
         return {
             'timezones': await self.middleware.call('system.general.timezone_choices'),
             'system.general.config': await self.middleware.call('system.general.config'),
-            'unused_ports': await self.middleware.call('port.get_unused_ports'),
+            'unused_ports': await self.middleware.call('port.get_unused_ports', 1),
             'certificates': await self.middleware.call('app.certificate_choices'),
             'certificate_authorities': await self.middleware.call('app.certificate_authority_choices'),
             'ip_choices': await self.middleware.call('app.ip_choices'),