diff --git a/lib/plugins/ucnk_dispatch_hook/__init__.py b/lib/plugins/ucnk_dispatch_hook/__init__.py
index 40744cb2a3..8b84460bc2 100644
--- a/lib/plugins/ucnk_dispatch_hook/__init__.py
+++ b/lib/plugins/ucnk_dispatch_hook/__init__.py
@@ -73,7 +73,8 @@ async def _check_client(self, plugin_ctx: PluginCtx):
                     await self._db.hash_del(self.bot_clients_key, client_ip)
 
     async def pre_dispatch(self, plugin_ctx, action_props: ActionProps, request):
-        arg = request.args.get('corpname', [''])[0]
+        arg = request.args.getlist('corpname', [''])[0]
+
         if arg.startswith('aranea/'):
             raise ImmediateRedirectException(plugin_ctx.updated_current_url(dict(corpname=arg[len('aranea/'):])))
         await self._check_client(plugin_ctx)