diff --git a/src/config/clients/lff.tsx b/src/config/clients/lff.tsx
index 4f26f3e2..07abbd2d 100644
--- a/src/config/clients/lff.tsx
+++ b/src/config/clients/lff.tsx
@@ -9,7 +9,7 @@ export const lff: ClientConfig = {
   auth: {
     clientId: ClientIds.Lff,
   },
-  defaultLanguage: 'en',
+  defaultLanguage: 'lv',
   description: 'Live sports streaming platform. Football, basketball, ice hockey and more. Access to various player playlists and game highlights. Multiple subscription options. Available across all devices.',
   disabledPreferences: true,
   name: ClientNames.Lff,
diff --git a/src/config/languages.tsx b/src/config/languages.tsx
index e6d752f0..a78070cd 100644
--- a/src/config/languages.tsx
+++ b/src/config/languages.tsx
@@ -1,4 +1,5 @@
-import { currentClient } from 'config/clients'
+import map from 'lodash/map'
+
 import { getSortedLangs } from 'helpers/getSortedLangs'
 
 export const langs = [
@@ -67,11 +68,21 @@ export const langs = [
     locale: 'bg',
     title: 'Български',
   },
+  {
+    className: 'lv',
+    locale: 'lv',
+    title: 'latviešu',
+  },
 ] as const
 
-export const langsOrder = currentClient === 'instat'
-  ? ['en', 'bg', 'cs', 'fr', 'de', 'nl', 'it', 'es', 'pl', 'pt', 'ru', 'uk', 'zh']
-  : ['cs', 'en', 'bg', 'fr', 'de', 'nl', 'it', 'es', 'pl', 'pt', 'ru', 'uk', 'zh']
+export const getLangsOrder = () => {
+  const commonLangsLocaleList = map(langs, (lang) => lang.locale).sort()
+  const clientLanglocaleIndex = commonLangsLocaleList.findIndex(
+    (locale) => locale === 'en',
+  )
+  commonLangsLocaleList.splice(clientLanglocaleIndex, 1).unshift('en')
+  return commonLangsLocaleList
+}
 
 // @ts-expect-error
 export const langsList = getSortedLangs(langs)
diff --git a/src/features/AuthServiceApp/components/LanguageSelect/styled.tsx b/src/features/AuthServiceApp/components/LanguageSelect/styled.tsx
index bc9278da..84f2f209 100644
--- a/src/features/AuthServiceApp/components/LanguageSelect/styled.tsx
+++ b/src/features/AuthServiceApp/components/LanguageSelect/styled.tsx
@@ -122,6 +122,7 @@ const flagPositions: Record<LanguageFlags, Position> = {
   fr: { col: 1, row: 4 },
   gb: { col: 4, row: 12 },
   it: { col: 8, row: 5 },
+  lv: { col: 6, row: 6 },
   nl: { col: 5, row: 8 },
   pl: { col: 4, row: 9 },
   pt: { col: 5, row: 9 },
diff --git a/src/features/HeaderFilters/components/DatePicker/hooks.tsx b/src/features/HeaderFilters/components/DatePicker/hooks.tsx
index 18584ae9..000d9109 100644
--- a/src/features/HeaderFilters/components/DatePicker/hooks.tsx
+++ b/src/features/HeaderFilters/components/DatePicker/hooks.tsx
@@ -3,6 +3,7 @@ import { useEffect } from 'react'
 import ru from 'date-fns/locale/ru'
 import en from 'date-fns/locale/en-GB'
 import cs from 'date-fns/locale/cs'
+import lv from 'date-fns/locale/lv'
 
 import { registerLocale, setDefaultLocale } from 'react-datepicker'
 
@@ -19,6 +20,7 @@ export const useDatepickerLocales = () => {
     registerLocale('ru', ru)
     registerLocale('en', en)
     registerLocale('cs', cs)
+    registerLocale('lv', lv)
   }, [])
 
   useEffect(() => {
diff --git a/src/helpers/getSortedLangs/index.tsx b/src/helpers/getSortedLangs/index.tsx
index 1b92e767..70920fec 100644
--- a/src/helpers/getSortedLangs/index.tsx
+++ b/src/helpers/getSortedLangs/index.tsx
@@ -1,4 +1,4 @@
-import { langsOrder } from 'config/languages'
+import { getLangsOrder } from 'config/languages'
 
 type TLang = {
   className: string,
@@ -6,9 +6,10 @@ type TLang = {
   title: string,
 }
 
-const getOrder = (locale: string) => (
-  langsOrder.findIndex((item) => item === locale)
-)
+const getOrder = (locale: string) => {
+  const langsOrder = getLangsOrder()
+  return langsOrder.findIndex((item) => item === locale)
+}
 
 export const getSortedLangs = (langs: Array<TLang>): Array<TLang> => {
   langs.sort((lang1, lang2) => (
diff --git a/src/helpers/isSupportedLang/__tests__/index.tsx b/src/helpers/isSupportedLang/__tests__/index.tsx
index 2e915260..48a17a52 100644
--- a/src/helpers/isSupportedLang/__tests__/index.tsx
+++ b/src/helpers/isSupportedLang/__tests__/index.tsx
@@ -4,6 +4,7 @@ it('returns true for supported languages', () => {
   expect(isSupportedLang('ru')).toBe(true)
   expect(isSupportedLang('en')).toBe(true)
   expect(isSupportedLang('cs')).toBe(true)
+  expect(isSupportedLang('lv')).toBe(true)
   expect(isSupportedLang('uk')).toBe(true)
   expect(isSupportedLang('fr')).toBe(true)
   expect(isSupportedLang('de')).toBe(true)