diff --git a/Emby.Server.Implementations/Library/LibraryManager.cs b/Emby.Server.Implementations/Library/LibraryManager.cs
index db27862ce..03da1add8 100644
--- a/Emby.Server.Implementations/Library/LibraryManager.cs
+++ b/Emby.Server.Implementations/Library/LibraryManager.cs
@@ -2956,7 +2956,7 @@ namespace Emby.Server.Implementations.Library
             throw new InvalidOperationException();
         }
 
-        public async Task AddVirtualFolder(string name, string collectionType, LibraryOptions options, bool refreshLibrary)
+        public async Task AddVirtualFolder(string name, CollectionTypeOptions? collectionType, LibraryOptions options, bool refreshLibrary)
         {
             if (string.IsNullOrWhiteSpace(name))
             {
@@ -2990,9 +2990,9 @@ namespace Emby.Server.Implementations.Library
             {
                 Directory.CreateDirectory(virtualFolderPath);
 
-                if (!string.IsNullOrEmpty(collectionType))
+                if (collectionType != null)
                 {
-                    var path = Path.Combine(virtualFolderPath, collectionType + ".collection");
+                    var path = Path.Combine(virtualFolderPath, collectionType.ToString() + ".collection");
 
                     File.WriteAllBytes(path, Array.Empty<byte>());
                 }
diff --git a/Jellyfin.Api/Controllers/LibraryStructureController.cs b/Jellyfin.Api/Controllers/LibraryStructureController.cs
index 94995650c..328efea26 100644
--- a/Jellyfin.Api/Controllers/LibraryStructureController.cs
+++ b/Jellyfin.Api/Controllers/LibraryStructureController.cs
@@ -75,7 +75,7 @@ namespace Jellyfin.Api.Controllers
         [ProducesResponseType(StatusCodes.Status204NoContent)]
         public async Task<ActionResult> AddVirtualFolder(
             [FromQuery] string? name,
-            [FromQuery] string? collectionType,
+            [FromQuery] CollectionTypeOptions? collectionType,
             [FromQuery, ModelBinder(typeof(CommaDelimitedArrayModelBinder))] string[] paths,
             [FromBody] AddVirtualFolderDto? libraryOptionsDto,
             [FromQuery] bool refreshLibrary = false)
diff --git a/MediaBrowser.Controller/Library/ILibraryManager.cs b/MediaBrowser.Controller/Library/ILibraryManager.cs
index 6700761fc..80fcf71f3 100644
--- a/MediaBrowser.Controller/Library/ILibraryManager.cs
+++ b/MediaBrowser.Controller/Library/ILibraryManager.cs
@@ -542,7 +542,7 @@ namespace MediaBrowser.Controller.Library
 
         Guid GetMusicGenreId(string name);
 
-        Task AddVirtualFolder(string name, string collectionType, LibraryOptions options, bool refreshLibrary);
+        Task AddVirtualFolder(string name, CollectionTypeOptions? collectionType, LibraryOptions options, bool refreshLibrary);
 
         Task RemoveVirtualFolder(string name, bool refreshLibrary);
 
diff --git a/MediaBrowser.Model/Entities/CollectionTypeOptions.cs b/MediaBrowser.Model/Entities/CollectionTypeOptions.cs
new file mode 100644
index 000000000..d7615a7ed
--- /dev/null
+++ b/MediaBrowser.Model/Entities/CollectionTypeOptions.cs
@@ -0,0 +1,15 @@
+#pragma warning disable CS1591
+
+namespace MediaBrowser.Model.Entities
+{
+    public enum CollectionTypeOptions
+    {
+        Movies,
+        Music,
+        TvShows,
+        Books,
+        HomeVideos,
+        MusicVideos,
+        Mixed
+    }
+}