diff --git a/src/config.cr b/src/config.cr
index 99fb5b9..86f2733 100644
--- a/src/config.cr
+++ b/src/config.cr
@@ -11,6 +11,8 @@ class Config
   property session_secret : String = "mango-session-secret"
   property library_path : String = File.expand_path "~/mango/library",
     home: true
+  property library_cache_path = File.expand_path "~/mango/library.yml.cbz",
+    home: true
   property db_path : String = File.expand_path "~/mango/mango.db", home: true
   property scan_interval_minutes : Int32 = 5
   property thumbnail_generation_interval_hours : Int32 = 24
diff --git a/src/library/library.cr b/src/library/library.cr
index ce1a8fc..90f3a44 100644
--- a/src/library/library.cr
+++ b/src/library/library.cr
@@ -7,26 +7,23 @@ class Library
   use_default
 
   def save_instance
-    path = Config.current.library_path
-    instance_file_path = File.join path, "library.yml.gz"
-    Logger.debug "Caching library to #{instance_file_path}"
+    path = Config.current.library_cache_path
+    Logger.debug "Caching library to #{path}"
 
-    writer = Compress::Gzip::Writer.new instance_file_path,
+    writer = Compress::Gzip::Writer.new path,
       Compress::Gzip::BEST_COMPRESSION
     writer.write self.to_yaml.to_slice
     writer.close
   end
 
   def self.load_instance
-    dir = Config.current.library_path
-    return unless Dir.exists? dir
-    instance_file_path = File.join dir, "library.yml.gz"
-    return unless File.exists? instance_file_path
+    path = Config.current.library_cache_path
+    return unless File.exists? path
 
-    Logger.debug "Loading cached library from #{instance_file_path}"
+    Logger.debug "Loading cached library from #{path}"
 
     begin
-      Compress::Gzip::Reader.open instance_file_path do |content|
+      Compress::Gzip::Reader.open path do |content|
         @@default = Library.from_yaml content
       end
       Library.default.register_jobs