diff --git a/src/Dap/Banshee.Dap.AppleDevice/Banshee.Dap.AppleDevice/AppleDeviceSource.cs b/src/Dap/Banshee.Dap.AppleDevice/Banshee.Dap.AppleDevice/AppleDeviceSource.cs
index bee7214..2faa914 100644
--- a/src/Dap/Banshee.Dap.AppleDevice/Banshee.Dap.AppleDevice/AppleDeviceSource.cs
+++ b/src/Dap/Banshee.Dap.AppleDevice/Banshee.Dap.AppleDevice/AppleDeviceSource.cs
@@ -116,6 +116,14 @@ namespace Banshee.Dap.AppleDevice
             //AddDapProperty (Catalog.GetString ("Capabilities"), String.Join (", ", capabilities));
             AddYesNoDapProperty (Catalog.GetString ("Supports cover art"), Device.SupportsArtwork);
             AddYesNoDapProperty (Catalog.GetString ("Supports photos"), Device.SupportsPhoto);
+
+            foreach (string mimetype in AcceptableMimeTypes)
+              Console.WriteLine(mimetype);
+            List<string> acceptable_mimetypes = new List<string>(AcceptableMimeTypes);
+            acceptable_mimetypes.Add("taglib/m4a");
+            AcceptableMimeTypes = acceptable_mimetypes.ToArray();
+            foreach (string mimetype in AcceptableMimeTypes)
+              Console.WriteLine(mimetype);
         }
 
         public override void Dispose ()
