diff --git a/assets/js/settings.ts b/assets/js/settings.ts
index c60a2ee0..a294c48a 100644
--- a/assets/js/settings.ts
+++ b/assets/js/settings.ts
@@ -10,7 +10,7 @@ export function setupSettings() {
   if (!$('#js-setting-table')) return;
 
   const localCheckboxes = $$<HTMLInputElement>('[data-tab="local"] input[type="checkbox"]');
-  const themeSelect = assertNotNull($<HTMLSelectElement>('#user_theme'));
+  const themeSelect = $<HTMLSelectElement>('#user_theme');
   const styleSheet = assertNotNull($<HTMLLinkElement>('head link[rel="stylesheet"]'));
 
   // Local settings