diff --git a/src/library/cache.cr b/src/library/cache.cr
index 6136dd3..b399632 100644
--- a/src/library/cache.cr
+++ b/src/library/cache.cr
@@ -238,7 +238,7 @@ def generate_cache_entry(key : String, value : Array(Entry) | Int32 | String)
 end
 
 # LRU Cache
-class SortedEntriesCache
+class LRUCache
   @@limit : Int128 = Int128.new 0
   # key => entry
   @@cache = {} of String => CacheEntryType
diff --git a/src/library/entry.cr b/src/library/entry.cr
index c7599ff..176efe1 100644
--- a/src/library/entry.cr
+++ b/src/library/entry.cr
@@ -190,7 +190,7 @@ class Entry
     [false, true].each do |ascend|
       sorted_entries_cache_key = SortedEntriesCacheEntry.gen_key @book.id,
         username, @book.entries, SortOptions.new(SortMethod::Progress, ascend)
-      SortedEntriesCache.invalidate sorted_entries_cache_key
+      LRUCache.invalidate sorted_entries_cache_key
     end
 
     TitleInfo.new @book.dir do |info|
diff --git a/src/library/title.cr b/src/library/title.cr
index c377738..a5a6850 100644
--- a/src/library/title.cr
+++ b/src/library/title.cr
@@ -345,7 +345,7 @@ class Title
   # When `opt` is not nil, it saves the options to info.json
   def sorted_entries(username, opt : SortOptions? = nil)
     cache_key = SortedEntriesCacheEntry.gen_key @id, username, @entries, opt
-    cached_entries = SortedEntriesCache.get cache_key
+    cached_entries = LRUCache.get cache_key
     return cached_entries if cached_entries.is_a? Array(Entry)
 
     if opt.nil?
@@ -382,7 +382,7 @@ class Title
     ary.reverse! unless opt.not_nil!.ascend
 
     if Config.current.sorted_entries_cache_enable
-      SortedEntriesCache.set generate_cache_entry cache_key, ary
+      LRUCache.set generate_cache_entry cache_key, ary
     end
     ary
   end
@@ -453,7 +453,7 @@ class Title
       sorted_entries_cache_key =
         SortedEntriesCacheEntry.gen_key @id, username, @entries,
           SortOptions.new(SortMethod::Progress, ascend)
-      SortedEntriesCache.invalidate sorted_entries_cache_key
+      LRUCache.invalidate sorted_entries_cache_key
     end
 
     selected_entries = ids
diff --git a/src/mango.cr b/src/mango.cr
index 9b58d50..f27165e 100644
--- a/src/mango.cr
+++ b/src/mango.cr
@@ -55,7 +55,7 @@ class CLI < Clim
       Config.load(opts.config).set_current
 
       # Initialize main components
-      SortedEntriesCache.init
+      LRUCache.init
       Storage.default
       Queue.default
       Library.default