1 files changed, 1 insertions, 1 deletions
diff --git a/win/CS/Controls/AudioPanel.cs b/win/CS/Controls/AudioPanel.cs
index 1b9b331c6..4a89d8264 100644
--- a/win/CS/Controls/AudioPanel.cs
+++ b/win/CS/Controls/AudioPanel.cs
@@ -175,7 +175,7 @@ namespace Handbrake.Controls
                 if (track.Encoder == AudioEncoder.Ac3Passthrough || track.Encoder == AudioEncoder.DtsPassthrough ||
                     track.Encoder == AudioEncoder.DtsHDPassthrough || track.Encoder == AudioEncoder.AacPassthru || track.Encoder == AudioEncoder.Mp3Passthru)
                 {
-                    track.MixDown = HandBrake.Interop.Model.Encoding.Mixdown.Passthrough;
+                    track.MixDown = HandBrake.Interop.Model.Encoding.Mixdown.None;
                     track.Bitrate = 0;
                 }