diff --git a/frontend/src/i18n/useDayjsLanguageSync.ts b/frontend/src/i18n/useDayjsLanguageSync.ts
index 2535a7d19..4f9fc734f 100644
--- a/frontend/src/i18n/useDayjsLanguageSync.ts
+++ b/frontend/src/i18n/useDayjsLanguageSync.ts
@@ -15,7 +15,7 @@ export const DAYJS_LOCALE_MAPPING = {
 	'nl-nl': 'nl',
 	'pt-pt': 'pt',
 	'zh-cn': 'zh-cn',
-	'no-no': 'nn',
+	'no-no': 'nb',
 	'es-es': 'es',
 	'da-dk': 'da',
 	'ja-jp': 'ja',
@@ -42,7 +42,7 @@ export const DAYJS_LANGUAGE_IMPORTS = {
 	'nl-nl': () => import('dayjs/locale/nl'),
 	'pt-pt': () => import('dayjs/locale/pt'),
 	'zh-cn': () => import('dayjs/locale/zh-cn'),
-	'no-no': () => import('dayjs/locale/nn'),
+	'no-no': () => import('dayjs/locale/nb'),
 	'es-es': () => import('dayjs/locale/es'),
 	'da-dk': () => import('dayjs/locale/da'),
 	'ja-jp': () => import('dayjs/locale/ja'),