diff --git a/packages/ui-default/pages/record_main.page.ts b/packages/ui-default/pages/record_main.page.ts
index 5ee943cb1..716a97eef 100644
--- a/packages/ui-default/pages/record_main.page.ts
+++ b/packages/ui-default/pages/record_main.page.ts
@@ -35,7 +35,7 @@ const page = new NamedPage('record_main', async () => {
   ProblemSelectAutoComplete.getOrConstruct($('[name="pid"]'), {
     clearDefaultValue: false,
   });
-  const langs = UiContext.domain.langs?.split(',');
+  const langs = UiContext.domain.langs?.split(',').map((i) => i.trim()).filter((i) => i);
   const availableLangs = getAvailableLangs(langs?.length ? langs : undefined);
   Object.keys(availableLangs).map(
     (i) => ($('select[name="lang"]').append(tpl`<option value="${i}" key="${i}">${availableLangs[i].display}</option>`)));