diff --git a/DeepDrftManager/Services/CmsTrackService.cs b/DeepDrftManager/Services/CmsTrackService.cs
index ba6e0de..565f850 100644
--- a/DeepDrftManager/Services/CmsTrackService.cs
+++ b/DeepDrftManager/Services/CmsTrackService.cs
@@ -52,7 +52,7 @@ public class CmsTrackService : ICmsTrackService
         var wavContent = new StreamContent(wavStream);
         wavContent.Headers.ContentType = new MediaTypeHeaderValue(
             string.IsNullOrWhiteSpace(contentType) ? "audio/wav" : contentType);
-        multipart.Add(wavContent, "wav", fileName);
+        multipart.Add(wavContent, "audioFile", fileName);
         multipart.Add(new StringContent(trackName), "trackName");
         multipart.Add(new StringContent(artist), "artist");
         if (!string.IsNullOrWhiteSpace(album)) multipart.Add(new StringContent(album), "album");