diff --git a/client/strings/fr.json b/client/strings/fr.json
index a0f29fbc..f7ddd6ea 100644
--- a/client/strings/fr.json
+++ b/client/strings/fr.json
@@ -532,15 +532,15 @@
   "MessageXLibraryIsEmpty": "La Bibliothèque {0} est vide!",
   "MessageYourAudiobookDurationIsLonger": "La durée de votre Livre Audio est plus longue que la durée trouvée",
   "MessageYourAudiobookDurationIsShorter": "La durée de votre Livre Audio est plus courte que la durée trouvée",
-  "MonthApr": "Apr",
-  "MonthAug": "Aug",
-  "MonthDec": "Dec",
-  "MonthFeb": "Feb",
+  "MonthApr": "Avr",
+  "MonthAug": "Aoû",
+  "MonthDec": "Déc",
+  "MonthFeb": "Fév",
   "MonthJan": "Jan",
   "MonthJul": "Jul",
-  "MonthJun": "Jun",
+  "MonthJun": "Jui",
   "MonthMar": "Mar",
-  "MonthMay": "May",
+  "MonthMay": "Mai",
   "MonthNov": "Nov",
   "MonthOct": "Oct",
   "MonthSep": "Sep",
@@ -626,14 +626,14 @@
   "ToastSocketFailedToConnect": "Échec de la connexion WebSocket",
   "ToastUserDeleteFailed": "Échec de la suppression de l'utilisateur",
   "ToastUserDeleteSuccess": "Utilisateur supprimé",
-  "WeekdayFri": "Fri",
+  "WeekdayFri": "Ven",
   "WeekdayFriday": "Vendredi",
-  "WeekdayMon": "Mon",
+  "WeekdayMon": "Lun",
   "WeekdayMonday": "Lundi",
   "WeekdaySaturday": "Samedi",
   "WeekdaySunday": "Dimanche",
   "WeekdayThursday": "Jeudi",
   "WeekdayTuesday": "Mardi",
-  "WeekdayWed": "Wed",
+  "WeekdayWed": "Mer",
   "WeekdayWednesday": "Mercredi"
-}
\ No newline at end of file
+}
diff --git a/index.js b/index.js
index 6105029b..585af22e 100644
--- a/index.js
+++ b/index.js
@@ -18,8 +18,8 @@ const PORT = process.env.PORT || 80
 const HOST = process.env.HOST
 const CONFIG_PATH = process.env.CONFIG_PATH || '/config'
 const METADATA_PATH = process.env.METADATA_PATH || '/metadata'
-const UID = process.env.AUDIOBOOKSHELF_UID || 99
-const GID = process.env.AUDIOBOOKSHELF_GID || 100
+const UID = process.env.AUDIOBOOKSHELF_UID
+const GID = process.env.AUDIOBOOKSHELF_GID
 const SOURCE = process.env.SOURCE || 'docker'
 const ROUTER_BASE_PATH = process.env.ROUTER_BASE_PATH || ''
 
diff --git a/prod.js b/prod.js
index fa254d4f..ca54bfab 100644
--- a/prod.js
+++ b/prod.js
@@ -23,9 +23,10 @@ const PORT = options.port || process.env.PORT || 3333
 const HOST = options.host || process.env.HOST
 const CONFIG_PATH = inputConfig || process.env.CONFIG_PATH || Path.resolve('config')
 const METADATA_PATH = inputMetadata || process.env.METADATA_PATH || Path.resolve('metadata')
-const UID = 99
-const GID = 100
+const UID = process.env.AUDIOBOOKSHELF_UID
+const GID = process.env.AUDIOBOOKSHELF_GID
 const SOURCE = options.source || process.env.SOURCE || 'debian'
+
 const ROUTER_BASE_PATH = process.env.ROUTER_BASE_PATH || ''
 
 console.log(process.env.NODE_ENV, 'Config', CONFIG_PATH, METADATA_PATH)
diff --git a/server/Server.js b/server/Server.js
index 3b9223da..32ece3ac 100644
--- a/server/Server.js
+++ b/server/Server.js
@@ -43,8 +43,8 @@ class Server {
     this.Host = HOST
     global.Source = SOURCE
     global.isWin = process.platform === 'win32'
-    global.Uid = isNaN(UID) ? 0 : Number(UID)
-    global.Gid = isNaN(GID) ? 0 : Number(GID)
+    global.Uid = isNaN(UID) ? undefined : Number(UID)
+    global.Gid = isNaN(GID) ? undefined : Number(GID)
     global.ConfigPath = fileUtils.filePathToPOSIX(Path.normalize(CONFIG_PATH))
     global.MetadataPath = fileUtils.filePathToPOSIX(Path.normalize(METADATA_PATH))
     global.RouterBasePath = ROUTER_BASE_PATH
@@ -142,6 +142,7 @@ class Server {
     const app = express()
     const router = express.Router()
     app.use(global.RouterBasePath, router)
+    app.disable('x-powered-by')
 
     this.server = http.createServer(app)
 
diff --git a/server/utils/filePerms.js b/server/utils/filePerms.js
index d875703e..c48b4261 100644
--- a/server/utils/filePerms.js
+++ b/server/utils/filePerms.js
@@ -91,7 +91,11 @@ module.exports.setDefault = (path, silent = false) => {
   const uid = global.Uid
   const gid = global.Gid
   return new Promise((resolve) => {
-    if (!silent) Logger.debug(`[FilePerms] Setting permission "${mode}" for uid ${uid} and gid ${gid} | "${path}"`)
+    if (isNaN(uid) || isNaN(gid)) {
+      if (!silent) Logger.debug('Not modifying permissions since no uid/gid is specified')
+      return resolve()
+    }
+    if (!silent) Logger.debug(`Setting permission "${mode}" for uid ${uid} and gid ${gid} | "${path}"`)
     chmodr(path, mode, uid, gid, resolve)
   })
 }
@@ -102,6 +106,10 @@ module.exports.setDefaultDirSync = (path, silent = false) => {
   const mode = 0o744
   const uid = global.Uid
   const gid = global.Gid
+  if (isNaN(uid) || isNaN(gid)) {
+    if (!silent) Logger.debug('Not modifying permissions since no uid/gid is specified')
+    return true
+  }
   if (!silent) Logger.debug(`[FilePerms] Setting dir permission "${mode}" for uid ${uid} and gid ${gid} | "${path}"`)
   try {
     fs.chmodSync(path, mode)