diff --git a/SynologyDotNet.AudioStation/AudioStationClient.Album.cs b/SynologyDotNet.AudioStation/AudioStationClient.Album.cs
index 678ea93..d3554e8 100644
--- a/SynologyDotNet.AudioStation/AudioStationClient.Album.cs
+++ b/SynologyDotNet.AudioStation/AudioStationClient.Album.cs
@@ -23,7 +23,7 @@ public async Task<ApiListRessponse<AlbumList>> ListAlbumsAsync(int limit, int of
             args.Add(GetLibraryArg());
             if (!string.IsNullOrWhiteSpace(artist))
                 args.Add(("artist", artist));
-
+            
             return await Client.QueryListAsync<ApiListRessponse<AlbumList>>(SYNO_AudioStation_Album, "list", limit, offset, args.ToArray());
         }
 
diff --git a/SynologyDotNet.AudioStation/Model/Album.cs b/SynologyDotNet.AudioStation/Model/Album.cs
index 76c50b4..b699ce9 100644
--- a/SynologyDotNet.AudioStation/Model/Album.cs
+++ b/SynologyDotNet.AudioStation/Model/Album.cs
@@ -2,24 +2,6 @@
 
 namespace SynologyDotNet.AudioStation.Model
 {
-    public enum AlbumQueryParameter
-    {
-        name,
-        artist,
-        album_artist,
-        composer,
-        sort_by,
-        sort_direction
-    }
-
-    public static class AlbumSortBy
-    {
-        public const string Name = "name";
-        public const string AlbumAtist = "album_artist";
-        public const string Year = "year";
-        public const string Time = "time";
-    }
-    
     public class Album
     {
         [JsonProperty("album_artist")]
diff --git a/SynologyDotNet.AudioStation/Model/AlbumQueryParameter.cs b/SynologyDotNet.AudioStation/Model/AlbumQueryParameter.cs
new file mode 100644
index 0000000..4f899b1
--- /dev/null
+++ b/SynologyDotNet.AudioStation/Model/AlbumQueryParameter.cs
@@ -0,0 +1,12 @@
+namespace SynologyDotNet.AudioStation.Model
+{
+    public enum AlbumQueryParameter
+    {
+        name,
+        artist,
+        album_artist,
+        composer,
+        sort_by,
+        sort_direction
+    }
+}
diff --git a/SynologyDotNet.AudioStation/Model/AlbumSortBy.cs b/SynologyDotNet.AudioStation/Model/AlbumSortBy.cs
new file mode 100644
index 0000000..013edb5
--- /dev/null
+++ b/SynologyDotNet.AudioStation/Model/AlbumSortBy.cs
@@ -0,0 +1,10 @@
+namespace SynologyDotNet.AudioStation.Model
+{
+    public static class AlbumSortBy
+    {
+        public const string Name = "name";
+        public const string AlbumAtist = "album_artist";
+        public const string Year = "year";
+        public const string Time = "time";
+    }
+}