diff --git a/server/utils/scandir.js b/server/utils/scandir.js
index 6dd2d67fe..59a0c2427 100644
--- a/server/utils/scandir.js
+++ b/server/utils/scandir.js
@@ -150,8 +150,8 @@ function getBookDataFromDir(relPath, parseSubtitle = false) {
   const splitDir = relPath.split('/')
 
   var folder = splitDir.pop() // Audio files will always be in the directory named for the title
-  series = splitDir.length > 1 ? splitDir.pop() : null // If there are at least 2 more directories, next furthest will be the series
-  author = splitDir.length > 0 ? splitDir.pop() : null // There could be many more directories, but only the top 3 are used for naming /author/series/title/
+  var series = splitDir.length > 1 ? splitDir.pop() : null // If there are at least 2 more directories, next furthest will be the series
+  var author = splitDir.length > 0 ? splitDir.pop() : null // There could be many more directories, but only the top 3 are used for naming /author/series/title/
 
   // The  may contain various other pieces of metadata, these functions extract it.
   var [folder, asin] = getASIN(folder)
@@ -234,7 +234,7 @@ function getSequence(folder) {
 function getPublishedYear(folder) {
   var publishedYear = null
 
-  pattern = /^ *\(?([0-9]{4})\)? * - *(.+)/ //Matches #### - title or (####) - title
+  const pattern = /^ *\(?([0-9]{4})\)? * - *(.+)/ //Matches #### - title or (####) - title
   var match = folder.match(pattern)
   if (match) {
     publishedYear = match[1]