diff --git a/server/RdtClient.Service/Helpers/DownloadHelper.cs b/server/RdtClient.Service/Helpers/DownloadHelper.cs
index 64067b0..3e2653d 100644
--- a/server/RdtClient.Service/Helpers/DownloadHelper.cs
+++ b/server/RdtClient.Service/Helpers/DownloadHelper.cs
@@ -1,11 +1,12 @@
-using RdtClient.Data.Models.Data;
+using System.IO.Abstractions;
+using RdtClient.Data.Models.Data;
 using System.Web;
 
 namespace RdtClient.Service.Helpers;
 
 public static class DownloadHelper
 {
-    public static String? GetDownloadPath(String downloadPath, Torrent torrent, Download download)
+    public static String? GetDownloadPath(String downloadPath, Torrent torrent, Download download, IFileSystem? fileSystem = null)
     {
         var fileUrl = download.Link;
 
@@ -41,9 +42,11 @@ public static class DownloadHelper
             }
         }
 
-        if (!Directory.Exists(torrentPath))
+        fileSystem ??= new FileSystem();
+
+        if (!fileSystem.Directory.Exists(torrentPath))
         {
-            Directory.CreateDirectory(torrentPath);
+            fileSystem.Directory.CreateDirectory(torrentPath);
         }
 
         var filePath = Path.Combine(torrentPath, fileName);
diff --git a/server/RdtClient.Service/RdtClient.Service.csproj b/server/RdtClient.Service/RdtClient.Service.csproj
index 2257d27..edb4d40 100644
--- a/server/RdtClient.Service/RdtClient.Service.csproj
+++ b/server/RdtClient.Service/RdtClient.Service.csproj
@@ -24,6 +24,7 @@
     <PackageReference Include="Serilog.Sinks.File" Version="6.0.0" />
     <PackageReference Include="SharpCompress" Version="0.39.0" />
     <PackageReference Include="Synology.Api.Client" Version="0.3.87" />
+    <PackageReference Include="TestableIO.System.IO.Abstractions" Version="21.3.1" />
     <PackageReference Include="TorBox.NET" Version="1.4.0" />
   </ItemGroup>