diff --git a/app/i18n/client.ts b/app/i18n/client.ts
index 904e1f1..abbfb25 100644
--- a/app/i18n/client.ts
+++ b/app/i18n/client.ts
@@ -10,7 +10,7 @@ import {
   useTranslation as useTranslationOrg,
 } from "react-i18next"
 
-import { cookieName, getOptions, languages } from "./settings"
+import { LocaleTypes, cookieName, getOptions, languages } from "./settings"
 
 const runsOnServerSide = typeof window === "undefined"
 
@@ -33,7 +33,11 @@ i18next
     preload: runsOnServerSide ? languages : [],
   })
 
-export function useTranslation(lng: string, ns: string, options = {}) {
+export function useTranslation(
+  lng: LocaleTypes | string,
+  ns: string,
+  options = {}
+) {
   const [cookies, setCookie] = useCookies([cookieName])
   const ret = useTranslationOrg(ns, options)
   const { i18n } = ret
diff --git a/app/i18n/locales/en/resources-page.json b/app/i18n/locales/en/resources-page.json
index 0db3279..0967ef4 100644
--- a/app/i18n/locales/en/resources-page.json
+++ b/app/i18n/locales/en/resources-page.json
@@ -1,3 +1 @@
-{
-
-}
+{}
diff --git a/components/project/project-detail-tags.tsx b/components/project/project-detail-tags.tsx
index b655f54..d15877e 100644
--- a/components/project/project-detail-tags.tsx
+++ b/components/project/project-detail-tags.tsx
@@ -7,7 +7,6 @@ import {
   ProjectFilter,
 } from "@/state/useProjectFiltersState"
 
-import { LangProps } from "@/types/common"
 import { ProjectInterface } from "@/lib/types"
 import { useTranslation } from "@/app/i18n/client"
 import { LocaleTypes } from "@/app/i18n/settings"
diff --git a/middleware.ts b/middleware.ts
index 64d2252..bad340f 100644
--- a/middleware.ts
+++ b/middleware.ts
@@ -1,7 +1,7 @@
 import { NextResponse } from "next/server"
 import acceptLanguage from "accept-language"
 
-import { cookieName, fallbacklang, languages } from "./app/i18n/settings"
+import { cookieName, fallbackLng, languages } from "./app/i18n/settings"
 
 acceptLanguage.languages(languages as any)
 
@@ -16,7 +16,7 @@ export function middleware(req: any) {
   if (req.cookies.has(cookieName))
     lang = acceptLanguage.get(req.cookies.get(cookieName).value)
   if (!lang) lang = acceptLanguage.get(req.headers.get("Accept-Language"))
-  if (!lang) lang = fallbacklang
+  if (!lang) lang = fallbackLng
 
   // Keep the file from public folder
   if (PUBLIC_FILE.test(req.nextUrl.pathname)) {
diff --git a/types/common.ts b/types/common.ts
index 236062a..ef48f65 100644
--- a/types/common.ts
+++ b/types/common.ts
@@ -2,6 +2,6 @@ import { LocaleTypes } from "@/app/i18n/settings"
 
 export interface LangProps {
   params: {
-    lang?: LocaleTypes
+    lang: LocaleTypes
   }
 }